Find the critical value for the hypothesis test, given the following. (Give your answer correct to two decimal places.)

Question

Ha: ó1 > ó2, with n1 = 8, n2 = 10, and á = 0.025
F = 2.60 is what I got.

Answer 1

F = 4.49

Answer 2

That was wrong answer critical value
This is the correct one
F critical value 6.12

Answer 3

Sorry but that answer is wrong also..

Answer 4

F .025, 7 , 9 = 4.20