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Houston County
2023 Confidence Interval Detail
Houston County
113-902/Grapeland ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 23,393,500 | 0.8513 | 27,479,737 | 12 | 338 | 0.052370318 |
| A | 38,137,710 | 0.7967 | 47,869,600 | 15 | 307 | 0.042769392 |
| A | 36,482,740 | 0.8963 | 40,703,715 | 12 | 177 | 0.021732141 |
| A | 46,944,520 | 0.8674 | 54,120,959 | 12 | 119 | 0.044207420 |
| E | 161,498,750 | 0.9755 | 165,554,844 | 20 | 1,392 | 0.055717574 |
| Random Totals: | 306,457,220 | 335,728,855 | 71 | 2,333 | ||
| CATG D1 EXCEPTION VALUES: | 17,231,100 | 18,025,866 | ||||
| CATG J EXCEPTION VALUES: | 10,624,320 | 11,132,550 | ||||
| Total Test Values | 334,312,640 | 364,887,271 |
Margin of Error
| Margin of Error Percent: | 5.3890639 |
|---|---|
| Margin of Error Value: | 19,664,008 |
Confidence Interval Values(5)
| Local Test Value: | 334,312,640 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 345,223,263 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 384,551,279 | (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