All F-tests for the equality of two population variances are ...

[crazycityslicker]

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

[vboyd24]

Answer to Question 1

F

Answer to Question 2

B

[crazycityslicker]

TYSM

[essyface1]

Thanks for the timely response, appreciate it