Concept explainers
To Find: To find the mean absolute deviation of the given data.
Answer to Problem 4IP
The mean absolute deviation is 9.6 and 11.1
Explanation of Solution
Given information:Score of bowling league in two different months.
Formula used: For Mean:
Calculation:
Let
Calculation of Mean
Similarly,
Thus, the average score in both the months are 104 and 125 respectively.
Now, calculation of mean absolute deviation
98 | 6 | 112 | 13 | ||
95 | 9 | 130 | 5 | ||
101 | 3 | 118 | 7 | ||
103 | 1 | 118 | 7 | ||
90 | 14 | 125 | 0 | ||
121 | 17 | 122 | 3 | ||
116 | 12 | 145 | 20 | ||
118 | 14 | 105 | 20 | ||
94 | 10 | 150 | 25 |
And
Thus, mean absolute deviation is 9.6 and 11.1
Hence, the required mean absolute deviation is 9.6 and 11.1
The observations of x are more variable than the observation of y
So, y is more consistent and dependable.
Chapter 10 Solutions
Glencoe Math Accelerated, Student Edition
Additional Math Textbook Solutions
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