Doug C. answered 05/15/20
Math Tutor with Reputation to make difficult concepts understandable
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School Y.
asked 05/15/20Find the Standard Deviation of the Following Data Set by first completing the table
3, 4, 4, 5, 5, 7, 8, 8, 10
| Data, x | Mean, x | x-x | ( x-x )2 |
| 3 | |||
| 4 | |||
| 4 | |||
| 5 | |||
| 5 | |||
| 7 | |||
| 8 | |||
| 8 | |||
| 10 | |||
| Total: | Total: |
Standard deviation:
Doug C. answered 05/15/20
Math Tutor with Reputation to make difficult concepts understandable
desmos.com/calculator/lbeplwkvlm
Diego S. answered 05/15/20
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| Data, x | Mean, x | x-x | ( x-x )2 |
| 3 | 6 | -3 | 9 |
| 4 | 6 | -2 | 4 |
| 4 | 6 | -2 | 4 |
| 5 | 6 | -1 | 1 |
| 5 | 6 | -1 | 1 |
| 7 | 6 | 1 | 1 |
| 8 | 6 | 2 | 4 |
| 8 | 6 | 2 | 4 |
| 10 | 6 | 4 | 16 |
| Total:54 | . | . | Total:44 |
sd = root sq(44/9)=2.211083193570267
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