(a)
To find: the
(a)
Answer to Problem 89E
The interquartile
Explanation of Solution
Given:
S No | Quiz grades |
1 | 74 |
2 | 75 |
3 | 76 |
4 | 78 |
5 | 80 |
6 | 82 |
7 | 84 |
8 | 86 |
9 | 87 |
10 | 90 |
11 | 91 |
12 | 93 |
13 | 96 |
14 | 98 |
Calculation:
The inter-
Conclusion:
The interquartile range is 14
(b)
whether there are any outliers.
(b)
Answer to Problem 89E
All the items are within the range thus there are no outliers.
Explanation of Solution
Calculation:
From Joe’s first 14 quiz grades in a marking period data we can say that there are no outliers in the data. We call an observation as an outlier if it falls more than (1.5) IQR above the third quartile or below the first quartile.
All the items are within the range thus there are no outliers.
Conclusion:
Thus there are no outliers.
Chapter 1 Solutions
The Practice of Statistics for AP - 4th Edition
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