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210/Shelby
2017 Confidence Interval Detail
210/Shelby
210-905/Timpson ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 8,218,581 | 0.9734 | 8,443,169 | 15 | 285 | .025871232 |
| A | 7,775,859 | 0.9112 | 8,533,647 | 15 | 136 | .013852508 |
| A | 8,077,590 | 0.9068 | 8,907,797 | 13 | 87 | .025019606 |
| A | 7,944,220 | 0.9648 | 8,234,059 | 12 | 49 | .008477929 |
| D2 | 9,203,050 | 0.9716 | 9,472,056 | 14 | 185 | .022534469 |
| E | 49,744,707 | 0.9519 | 52,258,333 | 21 | 916 | .028530889 |
| Random Totals: | 90,964,007 | 95,849,061 | 90 | 1,658 | ||
| Catg J Exception Values: | 7,994,080 | 7,568,445 | ||||
| Catg D1 Exception Values: | 14,478,818 | 14,404,117 | ||||
| Total Test Values (4): | 113,436,905 | 117,821,623 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 5,891,081 |
Confidence Interval Values (5)
| State Lower Limit: | 111,930,542 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 113,436,905 | (Within Confidence Interval) |
| State Upper Limit: | 123,712,704 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 134,012,842 | (See ISD Summary Worksheet) |
Sources:
(1) See Stratified Category Worksheet Reports PTS236, PTS430
(2) Number of parcels sampled by staff
(3) Total Category Parcels from Stratification Report, Appraisal Roll, or Self-report
(4) Includes any parcels in A, B, C, D2, E, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories