Author Question: What assumptions are necessary for a comparison of the population variances to be valid? A) At ... (Read 99 times)

Pineappleeh · **on:** Jun 24, 2018

What assumptions are necessary for a comparison of the population variances to be valid?

A) At least one of the population variances is known.
B) The samples are correlated.
C) One of the samples follows normal distribution and the other follows F distribution.
D) Both sampled populations are normally distributed.

Question 2

The expected value of a random variable is also called its mean.

Indicate whether the statement is true or false