Your local newspaper contains a large number of advertisements for unfurnished one-bedroom apartments. You choose 10 at random and calculate that their mean monthly rent is $540 and that the standard deviation of their rents is $80.

a. What is the standard error of the mean?

b. What are the degrees of freedom for a one-sample t statistic?

Question

Your local newspaper contains a large number of advertisements for unfurnished one-bedroom apartments. You choose 10 at random and calculate that their mean monthly rent is $540 and that the standard deviation of their rents is $80. 

a. What is the standard error of the mean? 

b. What are the degrees of freedom for a one-sample t statistic?

jim_thompson5910 · Answer

standard error of the mean = s/sqrt(n)

s = standard deviation
n = sample size

jim_thompson5910 · Answer

degrees of freedom = n-1