Question For a normal distribution the percentage of data th

Question: For a normal distribution, the percentage of data that is within one standard deviation is most nearly:

(a) 34%

(b) 50%

(c) 64%

(d) 68%

(e) 65%

(f) 95%

(g) 32%

(h) None of the above.

Solution

By the empirical rule, it is

OPTION D: 68% [ANSWER, D]