Five students took a personality test.Their deviation scores were -4,+3,+1,-2,+2.Assuming that these scores form a normal distribution,which deviation(s)represent the score(s)having the highest frequency?
A)-4
B)+3
C)-2 and +2
D)+1

Question

Quizplus · Accepted Answer

In a normal distribution, the mean (average) score is the most frequent. The scores are -4, +3, +1, -2, +2. The mean is calculated as (-4 + 3 + 1 - 2 + 2) / 5 = 0. The score closest to the mean is +1, which is the most frequent.

Five Students Took a Personality Test