Overloading Boats: P-Value MethodPeople have died in boat accidents because an obsolete estimate of the mean weight of men was used. Using the weights of the simple random sample of men from Data Set 1 in Appendix B, we obtain these sample statistics: n = 40 and = 172.55 lb. Research from several other sources suggests that the population of weights of men has a standard deviation given by σ = 26 lb. Use these results to test the claim that men have a mean weight greater than 166.3 lb, which was the weight in the National Transportation and Safety Board’s recommendation M-04-04. Use a 0.05 significance level, and use the P-value method outlined in Figure 8-8.
Data Set 1: Health Exam Results
AGE is in years, HT is height (inches), WT is weight (pounds), WAIST is circumference (cm), Pulse is pulse rate (beats per minute), SYS is systolic blood pressure (mm Hg), DIAS is diastolic blood pressure (mm Hg), CHOL is cholesterol (mg), BMI is body mass index, Leg is upper leg length (cm), Elbow is elbow breadth (cm), Wrist is wrist breadth (cm), and Arm is arm circumference (cm). Data are from the U.S. Department of Health and Human Services, National Center for Health Statistics, Third National Health and Nutrition Examination Survey.
STATDISK:
Data set name for males is M health.
Minitab:
Worksheet name for males is MHEALTH.MTW.
Excel:
Workbook name for males is MHEALTH.XLS.
TI-83/84 Plus:
App name for male data is MHEALTH and the file names are the same as for text files.
Text file names
MAGE, MHT, MWT,
for males:
MWAST, MPULS, MSYS,
MDIAS, MCHOL, MBMI,
MLEG, MELBW, MWRST,
MARM.
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