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%.
Analysis:
A. Incorrect. The Empirical Rule states 95%
B. Incorrect. The Empirical Rule states 95%
C. Correct. The Empirical Rule states 95%
D. Incorrect. The Empirical Rule states 95%
ANSWER : C
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