![d ? 1) [7] A local high school wrestling team had these before and after season weights. Assuming the data is normally distri](http://img.homeworklib.com/questions/510e1580-31c7-11ea-8e7d-b7f886d657a4.png?x-oss-process=image/resize,w_560)
Homework Answers
(1)
| Wrestler | Before | After | d | d^2 |
| A | 134 | 128 | 6 | 36 |
| B | 155 | 156 | -1 | 1 |
| C | 167 | 158 | 9 | 81 |
| D | 212 | 210 | 2 | 4 |
| E | 182 | 179 | 3 | 9 |
| F | 127 | 122 | 5 | 25 |
| G | 171 | 167 | 4 | 16 |
This means that there is conclusive evidence to suggest that the
wrestlers had significant weight loss during the season.
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9 15
10 14
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13 11
14 10
15 8
16 8
17 14
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23 15
24 10
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26 17
27 13
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30 15
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6 18
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