Email: bbcnoun@gmail.com Whatsapp: 08131667008 ECO452 Question: In technical language, a set of data is regarded as a sample drawn from Answer: larger universe Question: The given regression line, Yl, = 2.36 + 0.712X1 shows that.. Answer: a one percent increase in X will bring about 71 percent increase in Y Question: The assumptions of analysis of covariance include among others except Answer: The values in the population are normally distributed Question: If there two coins tossed, what are the four possible outcomes? Answer: TT, TH, HT, HH Question: The Components of Time Series include among others except; Answer: Forecast Question: Which of the following defines correlation coefficient (r) between two variables for three variable regression model? Answer: ryx1 .x2 = Partial correlation coefficient between Y and X1 holding X2 constant Question: What differentiates two ‑way from one-way analysis of variance isâ€| Answer: two way analysis test has two (2) null hypothesis, one for factor A and the other for factor B as against one way analysis Question: Given the population 6, 8, 10, 12, 14 calculate the population mean, variance and standard deviation. Answer: 10, 8, 2.83 Question: Total Sum of squares is defined as; Answer: SSA + SSE Question: What is the probability of obtaining 2 heads in 5 toss of a coin? Answer: 0.625 Question: The value of coefficient of determination range in between — Answer: 0 and 1 Email: bbcnoun@gmail.com Whatsapp: 08131667008