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Houston County
2024 Confidence Interval Detail
Houston County
113-902/Grapeland ISD
Category Summary
| (1) Category |
(1) Stratum Number |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|---|
| A | 2 | 28,695,540 | 0.9096 | 31,547,427 | 13 | 333 | 0.066042912 |
| A | 3 | 42,113,130 | 0.9713 | 43,357,490 | 15 | 276 | 0.021156203 |
| A | 4 | 49,753,290 | 0.9446 | 52,671,279 | 14 | 202 | 0.040287506 |
| A | 5 | 57,897,810 | 1.0458 | 55,362,220 | 15 | 121 | 0.071836129 |
| E | 0 | 169,881,520 | 0.9897 | 171,649,510 | 24 | 1,361 | 0.069497502 |
| Random Totals: | 348,341,290 | 354,587,926 | 81 | 2,293 | |||
| CATG D1 EXCEPTION VALUES: | 18,205,940 | 17,514,277 | |||||
| CATG J EXCEPTION VALUES: | 10,487,037 | 11,136,793 | |||||
| Total Test Values | 377,034,267 | 383,238,996 |
Margin of Error
| Margin of Error Percent: | 5.4823839 |
|---|---|
| Margin of Error Value: | 21,010,633 |
Confidence Interval Values(5)
| Local Test Value: | 377,034,267 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 362,228,363 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 404,249,629 | (State Test Value plus Margin of Error Percent) |
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