To estimate the ratio of the population variances you use the ...

[mwit1967]

To estimate the ratio of the population variances you use the ___________________ _ of the ___________________ _ variances.
 Fill in the blank(s) with correct word

Question 2

The fairly regular fluctuations that occur within each year would be contained in which component of the time series?
 a. Long-term trend c. Seasonal variation
  b. Cyclical variation d. Random variation

[tranoy]

Answer to Question 1

ratio; sample

Answer to Question 2

C

[mwit1967]

Excellent

[komodo7]

Thanks for the timely response, appreciate it