The mean on a standardized test is 100 and the standard deviation is 35.Your score is 65.What percentage of the scores were higher than yours?
A)about 84%
B)no more than 50%
C)about 34%
D)about 16%

Question

Quizplus · Accepted Answer

A score of 65 is one standard deviation below the mean (100 - 35 = 65). In a normal distribution, approximately 16% of scores fall below one standard deviation below the mean, so about 84% of scores are higher.

The Mean on a Standardized Test Is 100 and the Standard