(Solution Library) Following probability distribution table shows the reading scores, x , of 4 th graders from a given school district. Use Excel to calculate
Question: Following probability distribution table shows the reading scores, x , of 4 th graders from a given school district. Use Excel to calculate the mean and variance from this data set.
| x | P( x ) |
| 81 | 0.00 |
| 82 | 0.01 |
| 83 | 0.04 |
| 84 | 0.12 |
| 85 | 0.21 |
| 86 | 0.24 |
| 87 | 0.21 |
| 88 | 0.12 |
| 90 | 0.04 |
| 91 | 0.01 |
Deliverable: Word Document 
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