I need the work

13. A researcher conducts a study of familiarity with certain unusual words and the time it take a participant to press a button indicating whether the word is singular or plural. All participants are given the same words. They rate their familiarity with these words (after the reaction-time part) on a 7-point scale (high = familiar). Below are the scores for the first three participants. That is, for Person A, average familiarity of the words used was 6 and average reaction time was 1.25 seconds. Familiarity Reaction Time Person Tested Zx Y Zy A NOX 1.37 1.25 -1.04 -0.98 3.16 1.35 -0.39 1.84 -0.30 Mean 3.67 2.08 SD 1.70 0.80 r =.87 A) Give the Z-score prediction formula for predicting reaction time from familiarity. (5 pts) B) Predict the reaction time for a person who rates his or her familiarity as a 5. (7 pts)