A sociologist finds that for a certain population, the mean number of years of education is 13.20. In one region, a random sample of 60 people is draw from the population and the sample mean is 13.87 years with a standard deviation of 2.95. Test the claim that the mean for this region is the same as the mean of the population. Test at a 5% level of significance.

A sociologist finds that for a certain population, the mean number of years of education is 13.20. In one region, a random sample of 60 people is draw from the population and the sample mean is 13.87...

A sociologist finds that for a certain population, the mean number of years of education is 13.20. In one region, a random sample of 60 people is draw from the population and the sample mean is 13.87 years with a standard deviation of 2.95. Test the claim that the mean for this region is the same as the mean of the population. Test at a 5% level of significance.

Jun 02, 2022