Which of the following is not a correct statement?
A) The coefficient of variation allows us to compare two sets of data based on different measurement units.
B) Chebyshev's theorem applies only to normal distributions.
C) Standardized values have no units of measure.
D) For distributions that are bell-shaped and symmetric,about 68% of the observations will fall within one standard deviation of the mean.
E) The vertical line within the box in the box-and-whisker plot represents the median.

Question

Quizplus · Accepted Answer

Chebyshev's theorem applies to any distribution, regardless of its shape or type. It states that for any set of data, regardless of its distribution, at least 1 - 1/k^2 of the data values will fall within k standard deviations of the mean (where k is any number greater than 1).

Which of the Following Is Not a Correct Statement