33. Mean Age of Female Statistics Students Data Set 1 “Body Data" in Appendix B includes ages of 147 randomly selected adult females, and those ages have a standard deviation of 17.7 years. Assume that ages of female statistics students have less variation than ages of females in the general population, so let o = 17.7 years for the sample size calculation. How many female statistics student ages must be obtained in order to estimate the mean age of all female statistics students? Assume that we want 95% confidence that the sample mean is within year of the population mean. Does it seem reasonable to assume that ages of female one-half statistics students have less variation than ages of females in the general population?
33. Mean Age of Female Statistics Students Data Set 1 “Body Data" in Appendix B includes ages of 147 randomly selected adult females, and those ages have a standard deviation of 17.7 years. Assume that ages of female statistics students have less variation than ages of females in the general population, so let o = 17.7 years for the sample size calculation. How many female statistics student ages must be obtained in order to estimate the mean age of all female statistics students? Assume that we want 95% confidence that the sample mean is within year of the population mean. Does it seem reasonable to assume that ages of female one-half statistics students have less variation than ages of females in the general population?
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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
Transcribed Image Text:33. Mean Age of Female Statistics Students Data Set 1 “Body Data" in Appendix B
includes ages of 147 randomly selected adult females, and those ages have a standard deviation
of 17.7 years. Assume that ages of female statistics students have less variation than ages of
females in the general population, so let o = 17.7 years for the sample size calculation. How
many female statistics student ages must be obtained in order to estimate the mean age of all
female statistics students? Assume that we want 95% confidence that the sample mean is within
year of the population mean. Does it seem reasonable to assume that ages of female
one-half
statistics students have less variation than ages of females in the general population?

Transcribed Image Text:Sample Size. In Exercises 29–36, find the sample size required to estimate the popula-
tion mean.
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