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Asked by Rakesh Last Modified
Answer 
Tasneem
The data is obtained in tabular form as follows.
| xi | f i | fixi |
|
|
|
| 92 | 3 | 276 | –8 | 64 | 192 |
| 93 | 2 | 186 | –7 | 49 | 98 |
| 97 | 3 | 291 | –3 | 9 | 27 |
| 98 | 2 | 196 | –2 | 4 | 8 |
| 102 | 6 | 612 | 2 | 4 | 24 |
| 104 | 3 | 312 | 4 | 16 | 48 |
| 109 | 3 | 327 | 9 | 81 | 243 |
| 22 | 2200 | 640 |
Here, N = 22, 
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