Author Question: The larger the confidence level, the: a. smaller the value of z / 2. b. wider the confidence ... (Read 118 times)

KimWrice · **on:** Jun 24, 2018

The larger the confidence level, the:
a. smaller the value of z / 2.
b. wider the confidence interval.
c. smaller the probability that the confidence interval will contain the population mean.
d. None of these choices.

Question 2

In a multiple regression model, the following statistics are given: SSE = 100, R2 = 0.995, k = 5, and n = 15 . Then, the coefficient of determination adjusted for degrees of freedom is:
a. 0.992 c. 0.955
b. 0.900 d. 0.855