PSYC-5 Practice 6 Find the Z Scores, Standard Deviation, and Skewness for the following: FOR THIS PRACTICE, FOR THE SAKE OF EASE, ROUND OFF THE MEAN TO A WHOLE NUMBER. ROUND EVERY OTHER STEP TO TWO (2) DECIMAL PLACES. X ( Raw Score) X - X ( X - X) 2 Z Score 98 86 72 56 40 Sum - Mean - Sum of this column - Sum of X-X Median