Question: A sample data set contains 120 observations, and has mean (x) and standard deviation (s). (a) What can you say about the proportion of the

A sample data set contains 120 observations, and has mean (x) and standard deviation (s). (a) What can you say about the proportion of the data lying outside of the interval (x 2s, x + 2s)? (b) Based on your answer to the above, what is the maximum number of observations that you can possibly find outside of the interval (x 2s, x + 2s)

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