Author Question: A probability sample is a sample in which the sampling units are chosen from the population by means ... (Read 194 times)

amal · **on:** Jun 24, 2018

A probability sample is a sample in which the sampling units are chosen from the population by means of a random mechanism such as a random number table.
a. True
b. False
Indicate whether the statement is true or false

Question 2

In multiple regression, the problem of multicollinearity affects the t-tests of the individual coefficients as well as the F-test in the analysis of variance for regression, since the F-test combines these t-tests into a single test.
a. True
b. False
Indicate whether the statement is true or false