Test the indicated hypothesis. Assume that the populations are normally distributed.
Test the hypothesis that σ
1 > σ
2 at the α = 0.01 level of significance for the given sample data.

◦ Test statistic: F = 2.47. Critical value = 1.87. Reject H
0.
◦ Test statistic: F = 6.08. Critical value: F = 3.18. Do not reject H
0.
◦ Test statistic: F = 2.47. Critical value = 3.18. Do not reject H
0.
◦ Test statistic: F = 6.08. Critical value: F = 3.18. Reject H
0.