(a)
To find: The result of mean and
(a)
Answer to Problem 20E
The mean and median salaries will each increase by
Explanation of Solution
Given:
The
If every teacher is given a flat
(b)
To find: the result of extremes, quartilesand standard deviation if the salaries of teacher increase.
(b)
Answer to Problem 20E
The extremes and quartiles will also each increase by $1000. The standard deviation will not change.
Explanation of Solution
The extremes and quartiles will also each increase by $1000. The standard deviation will not change. Nothing has happened to affect the variability of the distribution. The center has shifted location, but the spread has not changed.
Chapter 2 Solutions
The Practice of Statistics for AP - 4th Edition
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