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Heavy children: Are children heavier now than they were in the past? The National Health...

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Heavy children: Are children heavier now than they were in the past? The National Health and Nutrition Examination Survey(NHANES) taken between 1999 and 2002 reported that the mean weight of six-year-old girls in the United States was 49.3pounds. Another NHANES survey, published in 2008, reported that a sample of 205 six-year-old girls weighed between 2003 and2006 had an average weight of 50.2 pounds. Assume the population standard deviation is a = 15.3 pounds. Can you concludethat the mean weight of six-year-old girls in 2006 is different from what it was in 2002? Use the a = 0.05 level of significance andthe P-value method with the TI-84 calculator.Part 1 of 4State the appropriate null and alternate hypotheses.Ho:u= 49.3H?: = 49.3The hypothesis test is a two-tailed ?test.Part: 1/4 -Part 2 of 4Compute the P-value. Round your answer to at least four decimal places.P-value=

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