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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 | 0.8191 | 28,560,005 | 12 | 338 | 0.053879853 |
| A | 38,137,710 | 0.7671 | 49,716,738 | 15 | 307 | 0.046085448 |
| A | 36,482,740 | 0.8381 | 43,530,295 | 12 | 177 | 0.032250402 |
| A | 46,944,520 | 0.8494 | 55,267,860 | 12 | 119 | 0.053362851 |
| E | 161,498,750 | 0.9463 | 170,663,373 | 20 | 1,392 | 0.058083577 |
| Random Totals: | 306,457,220 | 347,738,271 | 71 | 2,333 | ||
| CATG D1 EXCEPTION VALUES: | 17,234,850 | 18,031,237 | ||||
| CATG J EXCEPTION VALUES: | 10,624,320 | 11,310,716 | ||||
| Total Test Values | 334,316,390 | 377,080,224 |
Margin of Error
| Margin of Error Percent: | 5.5760999 |
|---|---|
| Margin of Error Value: | 21,026,370 |
Confidence Interval Values(5)
| Local Test Value: | 334,316,390 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 356,053,854 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 398,106,594 | (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