The accompanying table contains historical data on staff salaries (in dollars per pupil) for 30 schools sampled in part of a country in the early 1970s. Complete parts (a) through (c) below. 3.86 2.80 2.71 2.95 3.08 1.80 2.60 3.32 2.52 2.12 2.58 2.68 2.76 2.85 3.67 3.84 3.43 2.12 2.94 2.83 3.04 2.43 2.18 3.69 3.21 3.67 2.39 2.61 3.42 3.45 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.
The accompanying table contains historical data on staff salaries (in dollars per pupil) for 30 schools sampled in part of a country in the early 1970s. Complete parts (a) through (c) below. 3.86 2.80 2.71 2.95 3.08 1.80 2.60 3.32 2.52 2.12 2.58 2.68 2.76 2.85 3.67 3.84 3.43 2.12 2.94 2.83 3.04 2.43 2.18 3.69 3.21 3.67 2.39 2.61 3.42 3.45 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.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The accompanying table contains historical data on staff salaries (in dollars per pupil) for 30 schools sampled in part of a country in the early 1970s. Complete parts (a) through (c) below.
3.86 2.80 2.71 2.95 3.08 1.80
2.60 3.32 2.52 2.12 2.58 2.68
2.76 2.85 3.67 3.84 3.43 2.12
2.94 2.83 3.04 2.43 2.18 3.69
3.21 3.67 2.39 2.61 3.42 3.45
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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