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1 Apr 2019
The ages of a group of
125
randomly selected adult females have a standard deviation of
16.2
years. Assume that the ages of female statistics students have less variation than ages of females in the general population, so let
sigmaequals16.2
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 one-half year of the population mean. Does it seem reasonable to assume that the ages of female statistics students have less variation than ages of females in the general population?
The ages of a group of
125
randomly selected adult females have a standard deviation of
16.2
years. Assume that the ages of female statistics students have less variation than ages of females in the general population, so let
sigmaequals16.2
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 one-half year of the population mean. Does it seem reasonable to assume that the ages of female statistics students have less variation than ages of females in the general population?
18 Jul 2023
koalamasterLv10
18 Apr 2023
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Deanna HettingerLv2
1 Apr 2019
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