The mean annual tuition and fees for a sample of 13private colleges was $33,300 with a standard deviation of $4500 A dotplot shows that it is reasonable to assume that the population is approximately...

The mean annual tuition and fees for a sample of 13private colleges was $33,300 with a standard deviation of $4500 A dotplot shows that it is reasonable to assume that the population is approximately normal. You wish to test whether the mean tuition and fees for private colleges is different from $35,900. Compute the value of the test statistic and state the number of degrees of freedom. -2.083, 13 degrees of freedom -0.578, 13 degrees of freedom -0.578, 12 degrees of freedom -2.083, 12 degrees of freedom