staistics-hypothesis

Anonymous
timer Asked: Feb 22nd, 2015
Question description

A sample of 60 night-school students’ is obtained in order to estimate the mean age of night school students X = 25.3 years.  The population variance is 16

a give a point estimate for (mean)

b. Find the 95% confidence interval for (mean)

c. Find the 99% confidence interval for (mean) 


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