(a)
To find: the reason for splitting the teams.
(a)
Answer to Problem 45E
To get a clearer view.
Explanation of Solution
Given:
The stem has been split to get a better picture of the distribution. It will give a clear peak at 13 and a better view or symmetry to the distribution. If it is not split, then the stem and leaf plot contains only six rows, which makes it harder to observe the distribution of values.
(b)
To find: the percent and explain the reason for having high percent of residents
(b)
Answer to Problem 45E
16% of Utah's residents are 25 to 34 years of age.
Explanation of Solution
Using the above stem plot we can say that16% of Utah's residents are 25 to 34 years of age. The normal percentages are ranging from 11 to 15, whereas the percent 16 is far from the above
(c)
To Describe:The shape, center, and spread of the distribution
(c)
Answer to Problem 45E
Shape: symmetric and unimodal
Center: 13%
Spread: the data spreads from 11 to 16%
Explanation of Solution
The distribution is almost symmetrical (slightly skewed towards right) and unimodal having single peak. The center of the distribution is at13%and the spread is mean >
Chapter 1 Solutions
The Practice of Statistics for AP - 4th Edition
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