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228/Trinity
2017 Confidence Interval Detail
228/Trinity
228-905/Apple Springs ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,129,357 | 0.9488 | 2,244,263 | 16 | 72 | .053485023 |
| A | 3,428,928 | 0.9317 | 3,680,292 | 17 | 60 | .028693531 |
| A | 2,959,214 | 0.9779 | 3,026,091 | 16 | 34 | .038379211 |
| A | 3,654,817 | 0.9535 | 3,833,054 | 13 | 23 | .033863873 |
| E | 24,928,759 | 0.9479 | 26,298,933 | 24 | 442 | .014649589 |
| Random Totals: | 37,101,075 | 39,082,633 | 86 | 631 | ||
| Catg D1 Exception Values: | 11,549,714 | 11,052,327 | ||||
| Total Test Values (4): | 48,650,789 | 50,134,960 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,506,748 |
Confidence Interval Values (5)
| State Lower Limit: | 47,628,212 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 48,650,789 | (Within Confidence Interval) |
| State Upper Limit: | 52,641,708 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 43,762,289 | (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