Q1 The mean, mode, medium, variance etc are examples of _estimates.
Q2 __refers to the formula or statistic which has been chosen to provide an estimate of the population value.
Q3 An is value of the sample statistic which is taken as an approximation of the parameter value.
Q4 cannot control who fills out the questionnaire.
Q5 The concept of is central to sampling theory and to determining the size of a sample.
Q6 is more convenient than simple random sampling.
Q7 the basic probability sampling design, and it is incorporated into all the more elaborate probability sampling designs.
Q8 is to select a sample that is as similar as possible to the sampling population.
Q9 A single member of a sampling population is referred to as a
Q10 A particular value of the population, such as the mean income or the level of formal education, is called a
Q11 These are problems encountered in the construction of index numbers except
Q12 Forecast simply means statement
Q13 It has been found that 2% of the tools produced by a certain
machine are defective. What is the probability that in a shipment of 400
such tools is
Q14 One way in which a representative sample may be obtained from a population is by
Q15 Sampling distribution is the
Q16 A particular value of the population, such as the mean income or the level of formal education, is called
Q17 combine the features of cross-sectional and time-series data.
Q18 Government uses statistics during
Q19 Data collected for cross-section of subjects (population under study) at a time is called
Q20 Data collected on a particular variable or set of variables over time is know as
Q21 advocate that the current year quantities are taken as weights
Q22 advocated the geometric cross of Laspeyre’s and Paasche’s Price index numbers
Q23 Aggregate of prices (of all the selected commodities) in the
current year as a percentage of the aggregate of prices in the base year
know as
Q24 reflect
changes in the retail prices of different commodities. The are normally
constructed for different classes of consumers know as
Q25 reflect changes in the volume of goods produced or consumed know as _-
Q26 most common index numbers are the price index numbers which study
changes in price level of commodities over a period of time is know as
Q27 are indicators which reflect the relative changes in the level of certain phenomenon in any given period
Q28 Under certainty, the decision maker simply the outcome of each alternative and selects the one that best meets his/her objective
Q29 looks for the attributes or qualities of the product .i.e. comparison of the best one
Q30 is the comparison of one thing with another that has similar features
Q31 __is a method base on two head is better than one.
Q32 Is the logical approach, it answers questions like What, Who, Where, How, When and Why
Q33 defined as the logical and quantitative analysis of all the factors influencing a decision
Q34 thinking considers end rather than means
Q35 The art of problem solving and decision making is base on
Q36 The scientific method for collecting, organizing, summarizing, presenting and analysing data is called
Q37 The two main types of statistics are
Q38 The number of times that a variable occur is called
Q39 Frequency distribution involves
Q40 The probability that an event will occur is
Q41 The probability of obtaining an even number in a single toss of a fair die is
Q42 are forecasts based solely on past and present values of the variable to be forecast.
Q43 If a die is tossed once. What is the probability of obtaining even or prime number?
Q44 y = a + b1X1 + b2X2 is
Q45 y = a + bx is
Q46 The probability of obtaining at least two heads in a toss of a fair die trice is
Q47 are based on past performances.
Q48 is not designed to test equality of several population variances.
Q49 The sum of the absolute difference between consecutives set of
data xj and mean x of the data divided by the number of data is
Q50 Two events A and B are said to be __, if they cannot occur together
Q51 The degree of asymmetry, or departure from symmetry of a distribution is known as
Q52 ANOVA can be (a) way classification or (b) two-way classification.
Q53 O1, O2, O3, ..........Ok, called frequencies.
Q54 All one tailed tests for at level of significance “α” will be right tailed tests only with area “α” in the right.
Q55 Sampling distribution is the
Q56 analysis is the modern approach to decision making both in economics and in business
Q57 The formula used in calculating Pearson’s No. 1 Coefficient of skewness is
Q58 A complete absence of skewness would have a coefficient of skewness equal to
Q59 leptokurtic, platykurtic and mesokurtic is otherwise known as _distribution curve
Q60 measures the degree of peakedness of a distribution. It is usually taken relative to a normal distribution
Q61 The moment coefficient of kurlosis is used to calculate the of a distribution
Q62 Pearson’s first coefficient of skewness and Pearson’s second coefficient of skewness is called
Q63
is useful in the comparison of two or more sets of data which are
measured in the same units but differ to such an extent that a direct
comparison of the respective standard deviations is not very helpful
Q64 Given the arrayed data: X = 2,5,8,9,12,13,18,the range will be
Q65 can be said to measure the degree of uniformity of observations in a given set of data
Q66
can be an unsatisfactory measure of dispersion because it is affected
by extreme values or items which renders it unrepresentative of majority
of the set of data
Q67 variables include sex, in religious or party affIliation, genotype, blood group, place of residence know as
Q68 scale has all the properties of the nominal, ordinal and interval
scales including the additional property of having an absolute zero
point know as
Q69
can be defined as a management tool for making decision. It is also a
scientific approach to presentation of numerical information in such a
way that one will have a maximum understanding of the reality
represented by such information.
Q70 Government uses as a tool for collecting data on economic aggregates such as national income, savings, consumption and gross national product
Q71 is a variable whose values are given as numerical quantities
Q72 In studying the nutritional well being of pupils in a primary school, the is a pupil in the school.
Q73 is a characteristic that assumes different values for different entities
Q74 is the part of the population that is selected for a study
Q75 _variable that can assume both decimal and non decimal values
Q76 _____________ occur naturally in all spheres of business activity.
Q77 ________can be used to generate the general picture (or trend) behind a set of data or time series.
Q78 ________ are forecasts based solely on past and present values of the variable to be forecast.
Q79 ___________ are forecasts concerning the near future.
Q80 ________ are based on past performances.
Q81 __________ is not designed to test equality of several population variances.
Q82 ANOVA technique enables us to compare several __________ means simultaneously.
Q83 ANOVA can be (a) ______ way classification or (b) two-way classification.
Q84 __________ as a tool has different dimensions and complexities.
Q85 O1, O2, O3, ..........Ok, called ____________frequencies.
Q86 ___________ test of goodness of fit.
Q87 The square of a standard normal variable is called a __________
Q88 All one tailed tests for _____ at level of significance “α” will be right tailed tests only with area “α” in the right.
Q89 For _____tailed tests, the critical valuesare
located in the right tail of F-distribution with area (α/2) in the right
tail.
Q90 ______statistic is the ratio of two independent chi-square variates divided by their respective degrees of freedom.
Q91 Hypothesis testing starts with a ___________ about population parameters such as mean.
Q92 __________ testing or testing a hypothesis are used interchangeably.
Q93 Relationship that connect three or more variables together are called _____________
Q94 Two variables can either be positively or _________correlated.
Q95 3 main types of curve are __________
Q96 ____mathematical method of determined the points estimate of ‘a’ and ‘b’ from the available sample points.
Q97 Regression line is fitted into the ________diagram
Q98 y = a + b1X1 + b2X2 is________________
Q99 y = a + bx is ___________
Q100 _____________ analysis can be defined as the relationship between two or more variables.
Q101 Formular for spearsmans rank correlation _____________
Q102 ___________ coefficient of correlation assumes the data to be at least interval scale
Q103 Degree of relationship that connected three or more variables together is called_________.
Q104 The degree of relationship existing between two variables is called ________
Q105 _________ can be defined as the branches of
statistics that deals with mutual dependence or inter-relationship of
two or more variables.
Q106 The mean, mode, medium, variance etc are examples of _______estimates.
Q107 _____refers to the formula or statistic which has been chosen to provide an estimate of the population value.
Q108 An ______ is value of the sample statistic which is taken as an approximation of the parameter value.
Q109 ________ cannot control who fills out the questionnaire.
Q110 The concept of __________ is central to sampling theory and to determining the size of a sample.
Q111 ____________ is more convenient than simple random sampling.
Q112 __________ the basic probability sampling
design, and it is incorporated into all the more elaborate probability
sampling designs.
Q113 _____________ is to select a sample that is as similar as possible to the sampling population.
Q114 A single member of a sampling population is referred to as a _________
Q115 A particular value of the population, such as the mean income or the level of formal education, is called a _________
Q116 The entire set of relevant units of analysis, or data is called the _________
Q117 _________ index is termed as an ideal index
since it satisfies time reversal and factor reversal test for the
consistency of index numbers.
Q118 __________ depict changes in the general price level of the economy.
Q119 ________ numbers are indicators which reflect
the relative changes in the level of certain phenomenon in any given
period.
Q120 The concept of expected monetary value applies ________ expectation
Q121 Decision makers are generally interested in the ___________ monetary value decisions.
Q122 The payoff table is usually displayed in _________ form.
Q123 Decision making under uncertainty is always ___________
Q124 Decision making under certainty appears to be simpler than that under ___________
Q125 ____________ is the comparison of one thing with another that has similar features.
Q126 The art of problem solving and decision making is base on _________
Q127 _____________ is a method base on two head is better than one.
Q128 A good decision must be consistent with the information and preferences of the __________
Q129 ______ is the modern approach to decision making both in economics and in business.
Q130 The mesokurtic is otherwise known as normal _________
Q131 ________ measures the degree of peakedness of a distribution.
Q132 Mean, the mode, and the standard deviation are all expressed in the units of ________
Q133 The formula used in calculating Pearson’s No. 1 Coefficient of skewness is _______
Q134 A distribution which is not symmetrical is said to be _____
Q135 The measures of skewness are generally called _______
Q136 __________ is also useful in the comparison of two or more sets of data.
Q137 Coefficient of variation is a __________
Q138 Given the arrayed data: X = 2,5,8,9,12,13,18,the range will be ________
Q139 Quartile Deviation is
Q140 ________ are the boundaries separating the items in a given distribution or set of data into quarters.
Q141 _________ difference between the highest observation and the lowest observation in a distribution.
Q142 ________ is the part of the population that is selected for a study.
Q143 ________ is a variable that can assume both decimal and non decimal values.
Q144 ________ is the variable that can only assume whole numbers.
Q145 ________ is a variable whose values are given as numerical quantities.
Q146 _________makes use of statistics in production,marketing, administration and in personnel management.
Q147 Government uses statistics during ________
Q148 statistics is useful in all spheres of ______
Q149 statistics are concerned with ___________
Q150 Statistics can be defined as a ____________
Q151 The mean deviation of the set of data 7,6,3,4,10 is
Q152 The mean deviation of the set of data 8,7,11,6,16,4,11
Q153 Find the mode of the data below 2,3,3,4,2,6,3,3,4,4,4
Q154 Find the median of the following data 8,3,5,2,6,7,3,9
Q155 Find the root mean square of the heights in ft of 5 students in a class – 3,2,4,6,7
Q156 Obtain the harmonic mean of the following data 3,2,6,4,
Q157 Obtain the geometric mean of the following data 3,2,6,4
Q158 The following are advantages of arithmetic mean except
Q159 The number of employees in commercial banks in Ibadan are given
as 4368, 4387, 4331, 4383, 4356, 4369. Find the mean (a)
Q160 The heights in meters of 12 wallnut seeding, after twenty years
growth are 4, 5, 6, 3, 7, 2, 8, 5, 3, 4.8, 4.5, 7.2, 5.2.
Q161 These are problems encountered in the construction of index numbers except
Q162 Forecast simply means statement
Q163 It has been found that 2% of the tools produced by a certain
machine are defective. What is the probability that in a shipment of 400
such tools is
Q164 One way in which a representative sample may be obtained from a population is by
Q165 Sampling distribution is the
Q166 A particular value of the population, such as the mean income or the level of formal education, is called
Q167 combine the features of cross-sectional and time-series data.
Q168 Government uses statistics during
Q169 Data collected for cross-section of subjects (population under study) at a time is called
Q170 Data collected on a particular variable or set of variables over time is know as
Q171 advocate that the current year quantities are taken as weights
Q172 advocated the geometric cross of Laspeyre’s and Paasche’s Price index numbers
Q173 Aggregate of prices (of all the selected commodities) in the
current year as a percentage of the aggregate of prices in the base year
know as
Q174 reflect
changes in the retail prices of different commodities. The are normally
constructed for different classes of consumers know as
Q175 reflect changes in the volume of goods produced or consumed know as _-
Q176 most common index numbers are the price index numbers which study
changes in price level of commodities over a period of time is know as
Q177 are indicators which reflect the relative changes in the level of certain phenomenon in any given period
Q178 Under certainty, the decision maker simply the outcome of each alternative and selects the one that best meets his/her objective
Q179 looks for the attributes or qualities of the product .i.e. comparison of the best one
Q180 is the comparison of one thing with another that has similar features
Q181 __is a method base on two head is better than one.
Q182 Is the logical approach, it answers questions like What, Who, Where, How, When and Why
Q183 defined as the logical and quantitative analysis of all the factors influencing a decision
Q184 thinking considers end rather than means
Q185 The art of problem solving and decision making is base on
Q186 The scientific method for collecting, organizing, summarizing, presenting and analysing data is called
Q187 The two main types of statistics are
Q188 The number of times that a variable occur is called
Q189 Frequency distribution involves
Q190 The probability that an event will occur is
Q191 The probability of obtaining an even number in a single toss of a fair die is
Q192 The mode of the set of data 1,2,3,3,2, 1 is
Q193 If a die is tossed once. What is the probability of obtaining even or prime number?
Q194 Find the mode of the data below 2,3,3,4,2,6,3,3,4,4,4
Q195 The range of the set of data 5,4,4,3,3,3,3 is
Q196 The probability of obtaining at least two heads in a toss of a fair die trice is
Q197 The harmonic mean of 2,4,6 is
Q198 Obtain the geometric mean of the set of data 2,4,6
Q199 The sum of the absolute difference between consecutives set of
data xj and mean x of the data divided by the number of data is
Q200 Two events A and B are said to be __, if they cannot occur together
Q201 The degree of asymmetry, or departure from symmetry of a distribution is known as
Q202 The third moment about the mean of the data 2,3,4,5,6 is
Q203 The range of the set of data 20,21,23,25,28,30,35,37,38,40 is
Q204 The arithmetic mean of 5,5,5,5,7,7,7,8,8,8,8,8,6,6,4,4 is
Q205 Sampling distribution is the
Q206 analysis is the modern approach to decision making both in economics and in business
Q207 Pearson’s No. 2 coefficient of skewness uses the difference between the
Q208 A complete absence of skewness would have a coefficient of skewness equal to
Q209 leptokurtic, platykurtic and mesokurtic is otherwise known as _distribution curve
Q210 measures the degree of peakedness of a distribution. It is usually taken relative to a normal distribution
Q211 The moment coefficient of kurlosis is used to calculate the of a distribution
Q212 Pearson’s first coefficient of skewness and Pearson’s second coefficient of skewness is called
Q213
is useful in the comparison of two or more sets of data which are
measured in the same units but differ to such an extent that a direct
comparison of the respective standard deviations is not very helpful
Q214 Consider the arrayed data, X = 2,5,8,9,12,13,18. Find mean deviation
Q215 can be said to measure the degree of uniformity of observations in a given set of data
Q216
can be an unsatisfactory measure of dispersion because it is affected
by extreme values or items which renders it unrepresentative of majority
of the set of data
Q217 variables include sex, in religious or party affIliation, genotype, blood group, place of residence know as
Q218 scale has all the properties of the nominal, ordinal and interval
scales including the additional property of having an absolute zero
point know as
Q219
can be defined as a management tool for making decision. It is also a
scientific approach to presentation of numerical information in such a
way that one will have a maximum understanding of the reality
represented by such information.
Q220 Government uses as a tool for collecting data on economic aggregates such as national income, savings, consumption and gross national product
Q221 is a variable whose values are given as numerical quantities
Q222 In studying the nutritional well being of pupils in a primary school, the is a pupil in the school.
Q223 is a characteristic that assumes different values for different entities
Q224 is the part of the population that is selected for a study
Q225 _variable that can assume both decimal and non decimal values
Q226 _____________ occur naturally in all spheres of business activity.
Q227 ________can be used to generate the general picture (or trend) behind a set of data or time series.
Q228 ________ are forecasts based solely on past and present values of the variable to be forecast.
Q229 ___________ are forecasts concerning the near future.
Q230 ________ are based on past performances.
Q231 __________ is not designed to test equality of several population variances.
Q232 ANOVA technique enables us to compare several __________ means simultaneously.
Q233 ANOVA can be (a) ______ way classification or (b) two-way classification.
Q234 __________ as a tool has different dimensions and complexities.
Q235 O1, O2, O3, ..........Ok, called ____________frequencies.
Q236 ___________ test of goodness of fit.
Q237 The square of a standard normal variable is called a __________
Q238 All one tailed tests for _____ at level of significance “α” will be right tailed tests only with area “α” in the right.
Q239 For _____tailed tests, the critical valuesare
located in the right tail of F-distribution with area (α/2) in the right
tail.
Q240 ______statistic is the ratio of two independent chi-square variates divided by their respective degrees of freedom.
Q241 Hypothesis testing starts with a ___________ about population parameters such as mean.
Q242 __________ testing or testing a hypothesis are used interchangeably.
Q243 Relationship that connect three or more variables together are called _____________
Q244 Two variables can either be positively or _________correlated.
Q245 3 main types of curve are __________
Q246 ____mathematical method of determined the points estimate of ‘a’ and ‘b’ from the available sample points.
Q247 Regression line is fitted into the ________diagram
Q248 y = a + b1X1 + b2X2 is________________
Q249 y = a + bx is ___________
Q250 _____________ analysis can be defined as the relationship between two or more variables.
Q251 Formular for spearsmans rank correlation _____________
Q252 ___________ coefficient of correlation assumes the data to be at least interval scale
Q253 Degree of relationship that connected three or more variables together is called_________.
Q254 The degree of relationship existing between two variables is called ________
Q255 _________ can be defined as the branches of
statistics that deals with mutual dependence or inter-relationship of
two or more variables.
Q256 The mean, mode, medium, variance etc are examples of _______estimates.
Q257 _____refers to the formula or statistic which has been chosen to provide an estimate of the population value.
Q258 An ______ is value of the sample statistic which is taken as an approximation of the parameter value.
Q259 ________ cannot control who fills out the questionnaire.
Q260 The concept of __________ is central to sampling theory and to determining the size of a sample.
Q261 ____________ is more convenient than simple random sampling.
Q262 __________ the basic probability sampling
design, and it is incorporated into all the more elaborate probability
sampling designs.
Q263 _____________ is to select a sample that is as similar as possible to the sampling population.
Q264 A single member of a sampling population is referred to as a _________
Q265 A particular value of the population, such as the mean income or the level of formal education, is called a _________
Q266 The entire set of relevant units of analysis, or data is called the _________
Q267 _________ index is termed as an ideal index
since it satisfies time reversal and factor reversal test for the
consistency of index numbers.
Q268 __________ depict changes in the general price level of the economy.
Q269 ________ numbers are indicators which reflect
the relative changes in the level of certain phenomenon in any given
period.
Q270 The concept of expected monetary value applies ________ expectation
Q271 Decision makers are generally interested in the ___________ monetary value decisions.
Q272 The payoff table is usually displayed in _________ form.
Q273 Decision making under uncertainty is always ___________
Q274 Decision making under certainty appears to be simpler than that under ___________
Q275 ____________ is the comparison of one thing with another that has similar features.
Q276 The art of problem solving and decision making is base on _________
Q277 _____________ is a method base on two head is better than one.
Q278 A good decision must be consistent with the information and preferences of the __________
Q279 ______ is the modern approach to decision making both in economics and in business.
Q280 The mesokurtic is otherwise known as normal _________
Q281 ________ measures the degree of peakedness of a distribution.
Q282 Mean, the mode, and the standard deviation are all expressed in the units of ________
Q283 The formula used in calculating Pearson’s No. 1 Coefficient of skewness is _______
Q284 A distribution which is not symmetrical is said to be _____
Q285 The measures of skewness are generally called _______
Q286 __________ is also useful in the comparison of two or more sets of data.
Q287 Coefficient of variation is a __________
Q288 Given the arrayed data: X = 2,5,8,9,12,13,18,the range will be ________
Q289 Quartile Deviation is
Q290 ________ are the boundaries separating the items in a given distribution or set of data into quarters.
Q291 _________ difference between the highest observation and the lowest observation in a distribution.
Q292 ________ is the part of the population that is selected for a study.
Q293 ________ is a variable that can assume both decimal and non decimal values.
Q294 ________ is the variable that can only assume whole numbers.
Q295 ________ is a variable whose values are given as numerical quantities.
Q296 _________makes use of statistics in production,marketing, administration and in personnel management.
Q297 Government uses statistics during ________
Q298 statistics is useful in all spheres of ______