Question: The following are historical data on staff salaries (dollars per pupil) for 30 schools sampled in the eastern part of the United States in the

The following are historical data on staff salaries

(dollars per pupil) for 30 schools sampled in the eastern part of the United States in the early 1970s.

(a) Compute the sample mean and sample standard deviation.

(b) Construct a relative frequency histogram of the data.

(c) Construct a stem-and-leaf display of the data.

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