The following hypotheses are given:

H₀: _{1 2} = 0

H₁: _{1 2} 0

A random sample of thirteen observations from the first population resulted in a standard deviation of 15. A random sample of forty nine observations from the second population resulted in a standard deviation of 18.

a.State the decision rule for 0.01 significance level.(Round the final answer to 1 decimal place.)

RejectH₀ifF>---------.

b.Compute the value of the test statistic.(Round the final answer to 2 decimal places.)

Value of the test statistic-------.

c.At the 0.01 significance level, is there a difference in the variation of the two populations?

Do not rejectHO no differencein the variations of the two populations.