Q1 In the age distribution of Receipients of Nursing
scholarship of 25, 21, 22, 20, 19, 30, 27, 28, 32 and 18. The variance
is __. (Hint: use\[ \S^2 = \sum (X - \bar{X})^2\]
Q2 If X=10, 12, 8, 7, 5. \[\sum_{i=1}^{5} X_{i}\] is
Q3 Let Y = 2, 5, 6, 7. \[\sum_{j=1}^{4} Y_{j}\] has the value
Q4 Take X = 29, 27, 28, 30, 35. \[\bar {X}\] is
Q5 One Precaution in correlation is that
Q6 The scores obtained by 10 students in a practical class are as follows: 20, 50, 30, 40, 60. The mean score is
Q7 In the distribution having classes 0-4 5-9 10-14 15-19 20-24 . . . The upper class boundary for class 3 is
Q8 Mean, Median and Mode are measures of
Q9 In attitude test, the scores for 5 newly students are as stated
here, Attitude: 5, 4, 3, 2, 1. The percentage attributable to attitude
of score 3 is
Q10 Cluster Sampling is one whose members are
Q11 Systematic Sampling is random sampling method
Q12 Simple Random Sampling (SRS) is one for which each possible sample is likely to be selected
Q13 The sample characteristics is
Q14 is An example of population characteristics
Q15 Statistics is the that deals with data collection, and summarising facts which are expressible in numerical form
Q16 The following data were collected on ten infants. Fin the standard
error, \[\S_{yx}\]. Where \[\S_{yx}^2 = \sum_{i=1}^{10} ({y_{i} - \hat
{y_{i}}})^2\] and \[y_{i}\] are the observed values , \[\hat y_{i}\] are
the predicted values
Q17 Given the general form of linear equation \[y = b + b_{1}X\]. If \[b_{1} > 0\], then the line slopes
Q18 Consider Attitude Scores for five newly admitted
Nursing students towards alcoholic patients below: Attitude: 5, 4, 3, 2,
1 . The percentage due to attitude 3 is ________
Q19 The data below represent systolic blood pressure
readings (mm Hg), using Spearman's Rank Order Correlation method,
determine correlation coefficient \[r_{s}\] of the two readings.
Q20 Determine Correlation Coefficient 'r' using the above values or from your direct-calculation
Q21 Find the value of \[S_{w_1w_2}\] in question one above
Q22 From the above, evaluate \[\S_{w_2w_2}\].
Q23 This is for Questions 1 to 4. Two weekly scores of a students are as below <> . Find \[\S_{w1w1}\]
Q24 Given that X = 20, 30, 40, 50, 60. Find \[\bar X \].
Q25 Consider this distribution 12, 20, 13, 15, 17, 15, 18. Find \[\bar X_{m}\], where \[\bar X_{m}\] is as earlier defined.
Q26 Let \[\bar X_{m}\] be the Median Score, Determine \[\bar X_{m}\] in 15, 13, 15, 12, 12, 16, 15, 14, 13
Q27 Suppose \[X_{m}\] is the Mode. Find \[X_{m}\] in 15, 13, 15, 12, 12, 16, 15, 14, 13.
Q28 Suppose X = 10, 12, 8, 7, 5. Find the value of \[(\sum_{i=1}^{5} X_{i}-2)^2\]
Q29 Determine \[(\sum_{i=1}^{5} X_{i})^2\] if X = 10, 12, 8, 7, 5
Q30 Let Y = 2, 5, 6, 7. Find \[\sum_{j=1}^{4} Y_{j}\]
Q31 If X=10, 12, 8, 7, 5 Determine \[\sum_{i=1}^{5} X_{i}\]
Q32 Given that X = 20, 30, 40, 50, 60. Find \[\bar X \].
Q33 Consider this distribution 12, 20, 13, 15, 17, 15, 18. Find \[\bar X_{m}\], where \[\bar X_{m}\] is as earlier defined.
Q34 Let \[\bar X_{m}\] be the Median Score, Determine \[\bar X_{m}\] in 15, 13, 15, 12, 12, 16, 15, 14, 13
Q35 Suppose \[ X_{m}\] is the Mode. Find \[X_{m} in 15, 13, 15, 12, 12, 16, 15, 14, 13\]