The standard deviation of the ages of a sample of 16 executives from the northern states was 8.2 years; while the standard deviation of the ages of a sample of 25 executives from the southern states was 12.8 years. At ? = .1, test to see if there is any difference between the variances of the ages of all the northern and all the southern executives.
What will be an ideal response?
?
| Since F = 2.44 > 2.28 (p-value is between .05 and .1), reject H0. |
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