According to Empirical Rule, what percent of the observations lie within plus and minus 1 standard deviations of the mean?
A. About 99 percent
B. About 95 percent
C. About 68 percent
D. cannot compute, it depends on the shape of the distribution.
Answer:C
According to Empirical Rule, what percent of the observations lie within plus and minus 1 standard deviations of the mean?
A. About 99 percent B. About 95 percent C. About 68 percent D. cannot compute, it depends on the shape of the distribution.