Suppose that a histogram of a data set is approximately symmetric
Question 8 of 20 0.0/ 1.0 Points
Suppose that a histogram of a data set is approximately symmetric and “bell shaped”. Approximately what percent of the observations are within one standard deviation of the mean?
Comment: Empirical rule Check the video in the forum 1.
1 stdev = 68%
2 stdev 95%
3 stdev = 99.7%
Question 9 of 20 1.0/ 1.0 Points
Which measure of central location is meaningful when the data are categorical?
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