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Van Zandt County
2021 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 | 9,392,195 | 0.9581 | 9,802,938 | 14 | 129 | 0.051751345 |
| A | 7,872,795 | 1.0541 | 7,468,736 | 11 | 52 | 0.077068495 |
| A | 11,660,250 | 0.9780 | 11,922,546 | 10 | 55 | 0.041599509 |
| A | 13,578,080 | 1.1018 | 12,323,543 | 12 | 40 | 0.033617545 |
| E | 124,831,647 | 0.9900 | 126,092,573 | 29 | 845 | 0.029414661 |
| Random Totals: | 167,334,967 | 167,610,336 | 76 | 1,121 | ||
| CATG D1 EXCEPTION VALUES: | 5,636,710 | 4,950,534 | ||||
| Total Test Values | 172,971,677 | 172,560,870 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 8,628,044 |
Confidence Interval Values(5)
| Local Test Value: | 172,971,677 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 163,932,826 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 181,188,914 | (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