The mean annual tuition and fees for a sample of 8 private colleges waswith a standard deviation of. 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.

Compute the value of the test statistic and state the number of degrees of freedom.

Question 6 options:

-0.638; 8 degrees of freedom

-1.804; 8 degrees of freedom

-1.804; 7 degrees of freedom

-0.638; 7 degrees of freedom