The following are historical data on staff salaries (dollars per pupil on 30 schools sampled in the
Question:
The following are historical data on staff salaries (dollars per pupil on 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 thedata.
Transcribed Image Text:
3.79 2.99 2.77 2.91 3.10 1.84 2.52 3.22 2.45 2.14 2.67 2.52 2.71 2.75 3.57 3.85 3.36 2.05 2.89 2.83 3.13 2.44 2.10 3.71 3.14 3.54 2.37 2.68 3.51 3.37
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a X 28973 and s 05415 b A histogram plot is shown next Rel...View the full answer
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Related Book For
Probability & Statistics For Engineers & Scientists
ISBN: 9780130415295
7th Edition
Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying
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