What is NOT true about the above range?
A) The 68% of the data lie within this range
B) About two-thirds of the cases lie within 2.5 points of the mean
C) Based on the mean and standard deviation the data shows a skewed distribution
D) The 68% of the cases lie in the middle area bounded by one standard deviation on each side
E) About two-thirds of the cases lie between scores of 3.5 and 8.5

Question

Quizplus · Accepted Answer

The statement about the data showing a skewed distribution based on the mean and standard deviation is incorrect because the information given (68% of the data within one standard deviation of the mean) is characteristic of a normal distribution, not necessarily indicative of skewness.

What Is NOT True About the Above Range