For the Distribution of Scores on a Test of Introversion-Extroversion $\bar{X}=82$

Short Answer

For the distribution of scores on a test of introversion-extroversion administered to a large group of college students, $\bar{X}=82$ and $S_{X}=12$
(high scores are in the direction of introversion). For each of the following students, convert the raw score to a z score:
(a)John, 88;
(b)George, 96;
(c)Mary, 72;
(d)Alfred, 64.