F-test for equality of variances of two populations.
A three-day convention drew the following numbers of people per session.
DAY
|
Session
|
1
|
2
|
3
|
|
Morning
|
342
|
333
|
250
|
|
Afternoon
|
410
|
298
|
175
|
Which sessions, morning or afternoon, had the more stable or uniform attendance over three-day period? Give details by using an appropriate calculation for each data set and compare the two calculations.