2011 Confidence Interval Detail
212/Smith
212-904/Troup ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 11,545,245 | 0.9081 | 12,713,627 | 7 | 315 | .029290655 |
| A | 11,524,326 | 0.9460 | 12,182,163 | 7 | 179 | .086416783 |
| A | 12,433,622 | 0.9505 | 13,081,138 | 8 | 135 | .039649861 |
| A | 12,751,627 | 0.9080 | 14,043,642 | 7 | 80 | .002014480 |
| D3 | 30,920,407 | 1.1290 | 27,387,429 | 17 | 1,460 | .041139251 |
| G1 | 21,390,378 | 1.0184 | 21,003,906 | 11 | 129 | .002108945 |
| G1 | 21,450,452 | 0.9947 | 21,564,745 | 10 | 69 | .004270977 |
| G1 | 21,194,917 | 1.0242 | 20,694,119 | 8 | 45 | .009843877 |
| G1 | 21,125,225 | 1.0171 | 20,770,057 | 7 | 28 | .007560652 |
| L1 | 9,078,200 | 0.9645 | 9,412,338 | 9 | 35 | .004058430 |
| Random Totals: | 173,414,399 | 172,853,164 | 91 | 2,475 | ||
| Catg D1 Exception Values: | 3,154,404 | 2,690,091 | ||||
| Catg L1 Exception Values: | 4,606,278 | 4,708,160 | ||||
| Total Test Values (4): | 181,175,081 | 180,251,415 |
Margin of Error
| Margin of Error Percent: | 5.0000001 |
|---|---|
| Margin of Error Value: | 9,012,571 |
Confidence Interval Values (5)
| State Lower Limit: | 171,238,844 | (State Test Value minus Margin of Error Percent) |
|---|---|---|
| Local Test Value: | 181,175,081 | (Within Confidence Interval) |
| State Upper Limit: | 189,263,986 | (State Test Value plus Margin of Error Percent) |
| Value Assigned (6): | 205,473,264 | (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, D3, 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