Question: Refer to Exercise and the Centers for Disease Control and Prevention listing of the sanitation scores for 186 cruise ships. The data are saved in

Refer to Exercise and the Centers for Disease Control and Prevention listing of the sanitation scores for 186 cruise ships. The data are saved in the SHIPSANIT file.
a. Find the mean and standard deviation of the sanitation scores.
b. Calculate the intervals x-bar ± s, x-bar ± 2s, and x-bar ± 3s.
c. Find the percentage of measurements in the data set that fall within each of the intervals in part b. Do these percentages agree with either Chebyshev’s rule or the empirical rule?

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