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Van Zandt County
2019 Confidence Interval Detail
Van Zandt County
234-905/Martins Mill ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 6,529,780 | 0.8829 | 7,395,832 | 10 | 117 | 0.029470751 |
| A | 7,185,200 | 0.9654 | 7,442,718 | 10 | 62 | 0.038031721 |
| A | 8,027,430 | 1.1716 | 6,851,681 | 10 | 44 | 0.014863283 |
| A | 10,101,990 | 1.0562 | 9,564,467 | 10 | 35 | 0.011834323 |
| E | 96,086,140 | 1.0570 | 90,904,579 | 21 | 826 | 0.053575860 |
| Random Totals: | 127,930,540 | 122,159,277 | 61 | 1,084 | ||
| CATG D1 EXCEPTION VALUES: | 4,772,180 | 4,768,286 | ||||
| Total Test Values(1) | 132,702,720 | 126,927,563 |
Margin of Error
| Margin of Error Percent: | 7.2211811 |
|---|---|
| Margin of Error Value: | 9,165,669 |
Confidence Interval Values(5)
| Local Test Value: | 132,702,720 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 117,761,894 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 136,093,232 | (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