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Montgomery County
2021 Confidence Interval Detail
Montgomery County
093-905/Richards ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 5,143,760 | 0.7919 | 6,495,467 | 14 | 54 | 0.026951477 |
| A | 5,337,800 | 0.8475 | 6,298,289 | 12 | 31 | 0.031991358 |
| A | 5,309,390 | 0.9299 | 5,709,635 | 10 | 19 | 0.017859063 |
| A | 5,431,430 | 1.0585 | 5,131,252 | 6 | 7 | 0.051476673 |
| E | 28,458,750 | 0.9538 | 29,837,230 | 23 | 109 | 0.059723723 |
| Random Totals: | 49,681,130 | 53,471,873 | 65 | 220 | ||
| CATG D1 EXCEPTION VALUES: | 3,000,295 | 2,890,098 | ||||
| Total Test Values | 52,681,425 | 56,361,971 |
Margin of Error
| Margin of Error Percent: | 5.0291423 |
|---|---|
| Margin of Error Value: | 2,834,524 |
Confidence Interval Values(5)
| Local Test Value: | 52,681,425 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 53,527,447 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 59,196,495 | (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