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sample of 180 six year old girls weighed between 2003 and 2006 had an average...

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sample of 180 six year old girls weighed between 2003 and 2006 had an average weight of 50 4 pounds Assume the population standard deviation is a 16 5 pounds Can you conclude that the mean weight of six year old girls is higher in 2006 than in 2002 Use the a 0 10 level of significance and the P value method with the TI 84 calculator Part 1 of 4 State the appropriate null and alternate hypotheses Ho 49 3 H 49 3 The hypothesis test is a right tailed Part 1 4 Part 2 of 4 test Compute the P value Round your answer to at least four decimal places Espa o C E 5 d

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