Asked by Annie
f someone scored two Standard Deviations above the Mean on a standardized test where the Mean = 100 and the Standard Deviation = 15, then that person’s numerical score would be…?
A. 125
B. 130
C. 160
D. 90th Percentile
A. 125
B. 130
C. 160
D. 90th Percentile
Answers
Answered by
MathGuru
Mean = 100
One standard deviation above the mean = 15
Two standard deviations above the mean = 15 + 15 = 30
Therefore: 100 + 30 = 130
One standard deviation above the mean = 15
Two standard deviations above the mean = 15 + 15 = 30
Therefore: 100 + 30 = 130