Statistics Solutions

[Solved] Self-Reported and Measured Male Heights. As part of the National Health and Nutrition Examination Survey conducted by the Department of Health

Question: Self-Reported and Measured Male Heights. As part of the National Health and Nutrition Examination Survey conducted by the Department of Health and Human Services, self-reported heights and measured heights were obtained for males aged 12-16. Listed below are sample results.

  1. Is there sufficient evidence to support the claim that there is a difference between self-reported heights and measured heights of males aged 12-16? Use a 0.05 significance level.
  2. Construct a 95% confidence interval estimate of the mean difference between reported heights and measured heights. Interpret the resulting confidence interval, and comment on the implications of whether the confidence interval limits contain $0.
Reported Height Measured Height
68 67.9
71 69.9
63 64.9
70 68.3
71 70.3
60 60.6
65 64.5
64 67
54 55.6
63 74.2
66 65
72 70.8

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