Author Question: All F-tests for the equality of two population variances are one-tailed tests. Indicate whether ... (Read 46 times)

crazycityslicker · **on:** Jun 24, 2018

All F-tests for the equality of two population variances are one-tailed tests.
Indicate whether the statement is true or false

Question 2

Which of the following is not true in regard to the weights used in exponential smoothing?
a. They are all positive c. They add up to 1
b. The last weight is always the smallest d. They decrease exponentially into the past