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228/Trinity
2017 Confidence Interval Detail
228/Trinity
228-904/Centerville ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 1,653,963 | 0.9545 | 1,732,806 | 10 | 43 | .054523025 |
| A | 1,834,473 | 0.9531 | 1,924,743 | 9 | 25 | .014619711 |
| A | 1,732,734 | 0.9501 | 1,823,739 | 7 | 16 | .004905699 |
| A | 1,922,068 | 1.0302 | 1,865,723 | 7 | 12 | .003828072 |
| E | 18,700,009 | 0.9321 | 20,062,235 | 21 | 330 | .015833158 |
| Random Totals: | 25,843,247 | 27,409,246 | 54 | 426 | ||
| Catg D1 Exception Values: | 8,298,443 | 7,836,776 | ||||
| Total Test Values (4): | 34,141,690 | 35,246,022 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,762,301 |
Confidence Interval Values (5)
| State Lower Limit: | 33,483,721 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 34,141,690 | (Within Confidence Interval) |
| State Upper Limit: | 37,008,323 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 29,218,619 | (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