staistics-hypothesis
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)
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)