2. The mean for statistics test scores is 63 and the standard deviation is 6.0. For the biology test scores, the mean is 23 and the standard deviation is 4.1. The test scores of a student who took both tests are given below. A student gets a 78 on the statistics test and a 27 on the biology test. (a) Transform each test score to a z-score. (b) Determine on which test the student had a better score. (a) Transform the statistics test score to a z-score. z = (Type an integer or decimal rounded to the nearest hundredth as needed.) Transform the biology test score to a z-score. Z= (Type an integer or decimal rounded to the nearest hundredth as needed.) b) Determine on which test the student had a better score. Choose the correct answer below. O The scores on both tests are the same. O On the statistics test the student had a better score. O On the biology test the student had a better score