Author Question: Random samples of size 36 are taken from an infinite population whose mean and standard deviation ... (Read 106 times)

Destiiny22 · **on:** Jun 24, 2018

Random samples of size 36 are taken from an infinite population whose mean and standard deviation are 20 and 15, respectively. The distribution of the population is unknown. The mean and the standard error of the mean are
a. 36 and 15
b. 20 and 15
c. 20 and 0.417
d. 20 and 2.5

Question 2

In a multiple regression model involving 44 observations, the following estimated regression equation was obtained. y = 29 + 18x1 + 43x2 + 87x3 For this model, SSR = 600 and SSE = 400 . The multiple coefficient of determination for the above model is
a. .667.
b. .600.
c. .336.
d. .400.