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The following hypotheses are given: H0 : σ1² − σ2² ≤ 0 H1 : σ1² −...

The following hypotheses are given:

H0 : σ1² − σ2² ≤ 0

H1 : σ1² − σ2² > 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 showed a standard deviation of 18. At the 0.01 significance level, is there more variation in the first population?

a. State the decision rule. (Round the final answer to 2 decimal places.)

Reject H0 if F >                 .

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

Value of the test statistic: ________________

c. What is your decision regarding Ho?

(Do not reject or Reject?)

Math   Statistics-And-Probability   
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