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 190
Heavy children: Are children heavier now than they were in the past? The National Health and Nutrition Examination Survey (NHANES) taken between
and
reported that the
pounds. Another NHANES survey, published in
, reported that a sample of
six-year-old girls weighed between
and
had an average weight of
pounds. Assume the population standard deviation is
pounds. Can you conclude that the mean weight of six-year-old girls is higher in
than in
? Use the
level of significance and the P-valuemethod with the TI-84 calculator. Compute the P-value
Given that
Sample size (n)=190
Sample mean=52.5
Standard deviation =17.2
Level of significance=0.05
We have to test hypothesis for the claim that the mean weight of six year old girls is higher in 2006 than 2002....
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