Mathematics, 28.11.2019 02:31 mkn3347
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 Ξ± = 0.1, test to see if there is any difference in the standard deviations of the ages of all the northern and southern executives.
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The standard deviation of the ages of a sample of 16 executives from the northern states was 8.2 yea...
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