The Empirical Rule states that the approximate percentage of measurements in a data set (providing that the data set has a bell-shaped distribution) that fall within two standard deviations of their mean is approximately:
A. 68%
B. 75%
C. 95%
D. 99%
Answer:C
The Empirical Rule states that the approximate percentage of measurements in a data set (providing that the data set has a bell-shaped distribution) that fall within two standard deviations of their mean is approximately:
A. 68% B. 75% C. 95% D. 99%