Author Question: The variance of the difference in sample proportions equals the difference of their population ... (Read 133 times)

ARLKQ · **on:** Jun 24, 2018

The variance of the difference in sample proportions equals the difference of their population variances.
Indicate whether the statement is true or false

Question 2

In determining monthly seasonal indexes, the first step is to construct a centered moving average with a period of
a. 24 months
b. 12 months
c. 6 months
d. 3 months