The mean annual tuition and fees for a sample of 8 private colleges was $38,400 with a standard deviation of $5900. 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 $34,500.

Compute the value of the test statistic and slaw the number of degrees of freedom

(A) 0.661; 8 degrees of freedom

(B) 0.661; 7 degrees of freedom

(C) 1.870; 8 degrees of freedom

(D) 1.870; 7 degrees of freedom

Answer rating: 100% (QA)

D 1870 7 degrees of freedom Mean 38400 ... View the full answer