(See Solution) Use a 0.05 significance level to test the claim that heights of female supermodels vary less than the heights of women in general. The standard
Question: Use a 0.05 significance level to test the claim that heights of female supermodels vary less than the heights of women in general. The standard deviation of heights of the population of women is 2.5 inches. Listed below are the heights (in inches) of randomly selected supermodels. Round the sample mean and sample standard deviation to the nearest hundredth.
71 71 70 69 69.5 70.5 71 72 70
70 69 69.5 69 70 70 66.5 70 71
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