Question

The mean of a data is 52.4 and the standard deviation is 11.8.What percent of the data is between 40.6 and 64.2?

A.50%
B.68%
C.95%
D.99.7%

Answer 1

Your answer is b, 68%

Answer 2

B. 68%

Explanation:

Any number within 1 positive or negative deviation of the mean represents 68% of normally distributed data.

Math explanation:

52.4+11.8=64.2

52.4-11.8=40.6