A television documentary on overeating claimed that Americans are about 10 pounds overweight on average (μ)....
A television documentary on overeating claimed that Americans are about 10 pounds overweight on average (μ). To test this claim, 18 randomly selected individuals were examined; their average (x̄) excess weight was found to be 12.4 pounds, and the sample standard deviation (s) was 2.7 pounds. At a significance level of 0.01, is there any reason to doubt the validity of the claimed 10-pound value?
Homework Answers
as test statistic is in critical region ; we reject null hypothesis and conclude that American are overweight different from 10 pounds on average
we have sufficient evidence to doubt the validity of the claimed 10-pound value
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A television documentary on overeating claimed that Americans
are about 10 pounds overweight on average (μ)....
Please answer the marked questions.......... Please show your work............. you know that th 100, at the...
Please answer the marked questions..........
Please show your work.............
you know that th 100, at the b. Repeat part (a) assuming that ulation standard deviation is ơ the conclusions produced (a) assuming that you know that the n standard deviation is ơ 3( In art c. Explain why arts (a) and (b) are virtually identical, the interval estimate produced in narrower than that in part (a). why ling 1,000 membersofa normal popula- Applications nd 15,500 ands 9,950. Estimate The following...
Please answer the marked questions..........
Please show your work.............
you know that th 100, at the b. Repeat part (a) assuming that ulation standard deviation is ơ the conclusions produced (a) assuming that you know that the n standard deviation is ơ 3( In art c. Explain why arts (a) and (b) are virtually identical, the interval estimate produced in narrower than that in part (a). why ling 1,000 membersofa normal popula- Applications nd 15,500 ands 9,950. Estimate The following...
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