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billPeriod amount Z-score May-22 $230.12 ($0.29) Apr-22 $230.12 Mar-22 $230.18 Feb-22 $230.18 Jan-22 $230.08 Dec-21 $230.22 Nov-21 $230.22 Oct-21 $230.22 Sep-21 $230.38 Aug-21 $231.13 ($0.27)
billPeriod amount Z-score May-22 $230.12 ($0.29) Apr-22 $230.12 Mar-22 $230.18 Feb-22 $230.18 Jan-22 $230.08 Dec-21 $230.22 Nov-21 $230.22 Oct-21 $230.22 Sep-21 $230.38 Aug-21 $231.13 ($0.27) Jul-21 $231.22 Jun-21 $394.22 $3.18 Number (N)= 12 Mean = $244.02 Standard Deviation = 47.30100546
| billPeriod | amount | Z-score |
| May-22 | $230.12 | ($0.29) |
| Apr-22 | $230.12 | |
| Mar-22 | $230.18 | |
| Feb-22 | $230.18 | |
| Jan-22 | $230.08 | |
| Dec-21 | $230.22 | |
| Nov-21 | $230.22 | |
| Oct-21 | $230.22 | |
| Sep-21 | $230.38 | |
| Aug-21 | $231.13 | ($0.27) |
| Jul-21 | $231.22 | |
| Jun-21 | $394.22 | $3.18 |
| Number (N)= | 12 | |
| Mean = | $244.02 | |
| Standard Deviation = | 47.30100546 |
Analysis
- Between what two values would be considered a normal bill? Remember, being within 2 Standard Deviations is considered normal.
- Are any of your bills in the last 12 months unusual? Very unusual?
- Are there times when you would accept an "unusual" bill? Explain.
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WebAssign For Trigonometry
Authors: James Stewart
2nd Edition
1337772313, 9781337772310
