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The following table is set up to calculate the standard deviation of a sample of 6 credit card balances (x)(x). A negative balance indicates an
The following table is set up to calculate the standard deviation of a sample of 6 credit card balances (x)(x). A negative balance indicates an overpayment.
- Fill in the missing values.
| Card | x | xx | (xx)2 |
|---|---|---|---|
| 1 | 126 | 46 | |
| 2 | -10 | 100 | |
| 3 | -16 | 9216 | |
| 4 | 162 | 6724 | |
| 5 | 51 | 2601 | |
| 6 | -73 | 5329 | |
| Total | 480 |
- The sample standard deviation, s=
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Real Analysis Foundations And Functions Of One Variable
Authors: Miklos Laczkovich, Vera T Sós
1st Edition
1493927663, 9781493927661
