Mathematics, 15.11.2019 00:31 shannydouglas
What sample size should be used if we would like to estimate the mean age of the college students at a particular campus with 95% confidence? we would like to be accurate to within three years, and we will assume the population is normally distributed with a standard deviation of 5.1 years.
Answers: 1
, where 
is the population standard deviation, 
is the z-value for the 
confidence interval and E is the margin of error .
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What sample size should be used if we would like to estimate the mean age of the college students at...
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