Author Question: Chebyshev's Theorem states that the percentage of observations in a data set that should fall within ... (Read 118 times)

SAVANNAHHOOPER23 · **on:** Jun 24, 2018

Chebyshev's Theorem states that the percentage of observations in a data set that should fall within five standard deviations of their mean is:
a. 90.
b. at least 90.
c. 96.
d. at least 96.
e. 25.

Question 2

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.