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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 soc-year-old girls in the United States was 49.3 pounds. Another NHANES survey, published in 2008, reported that a sample of 191 six-year-old girls weighed between 2003 and 2006 had an average weight of 47.5 pounds. Assume the population standard deviation is a 14 pounds. Can you conclude that the mean weight of six year-old girls is lower in 2006 than in 20027 use the a-0.10 level of significance and the P-value method with the TI-84 calculator Part: 0/4 Part 1 of 4 State the appropriate null and alternate hypotheses HO H₂:1 The hypothesis test is a left-tailed test. D< 0+00-0 D+D x H

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 soc-year-old girls in the United States was 49.3 pounds. Another NHANES survey, published in 2008, reported that a sample of 191 six-year-old girls weighed between 2003 and 2006 had an average weight of 47.5 pounds. Assume the population standard deviation is a 14 pounds. Can you conclude that the mean weight of six year-old girls is lower in 2006 than in 20027 use the a-0.10 level of significance and the P-value method with the TI-84 calculator Part: 0/4 Part 1 of 4 State the appropriate null and alternate hypotheses HO H₂:1 The hypothesis test is a left-tailed test. D< 0+00-0 D+D x H

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 1GP
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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 49.3 pounds. Another NHANES survey, published in 2008, reported that a sample of 191 six-year-old girls weighed between 2003 and 2006 had an average weight of 47.5 pounds. Assume the population standard deviation is a 14 pounds. Can you conclude that the mean weight of six-year old girls is lower in 2006 than in 20027 use the a0.10 level of significance and the P-value method with the TI-84 calculator. Part: 0/4 Part 1 of 4 State the appropriate null and alternate hypotheses. He: 1 H₁: 1 The hypothesis test is a left-tailed test. D<D > 0-0 D+D X H CO
Transcribed Image Text: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 49.3 pounds. Another NHANES survey, published in 2008, reported that a sample of 191 six-year-old girls weighed between 2003 and 2006 had an average weight of 47.5 pounds. Assume the population standard deviation is a 14 pounds. Can you conclude that the mean weight of six-year old girls is lower in 2006 than in 20027 use the a0.10 level of significance and the P-value method with the TI-84 calculator. Part: 0/4 Part 1 of 4 State the appropriate null and alternate hypotheses. He: 1 H₁: 1 The hypothesis test is a left-tailed test. D<D > 0-0 D+D X H CO
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