Data: 35, 45, 30, 35, 40, 25, 50 1-find the mean 2- standard deviation 3-find the range for which at least 88.89%
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Data: 35, 45, 30, 35, 40, 25, 50
1-find the
2- standard deviation
3-find the
n = 7
| x | |
| 35 | 1225 |
| 45 | 2025 |
| 30 | 900 |
| 35 | 1225 |
| 40 | 1600 |
| 25 | 625 |
| 50 | 2500 |
| = 260 | = 10100 |
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