The mean for statistics is 61 and the standard deviation is 6.0. For the biology test scores, the mean is 24 and the standard deviation is 3.8. The test scores of a student who took both tests are given below.
A student gets a 75 on the statistics test and a 29 on the biology test
(a) transform each test score to a z-score
(b) Determine on which test teh student had a better score.