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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 | 0.8520 | 6,037,277 | 14 | 54 | 0.022665515 |
| A | 5,337,800 | 0.8648 | 6,172,294 | 12 | 31 | 0.022671217 |
| A | 5,309,390 | 0.9676 | 5,487,174 | 10 | 19 | 0.014906736 |
| A | 5,431,430 | 1.1032 | 4,923,341 | 6 | 7 | 0.057226480 |
| E | 28,458,750 | 0.9883 | 28,795,659 | 23 | 109 | 0.064707514 |
| Random Totals: | 49,681,130 | 51,415,745 | 65 | 220 | ||
| CATG D1 EXCEPTION VALUES: | 3,000,295 | 2,889,443 | ||||
| Total Test Values | 52,681,425 | 54,305,188 |
Margin of Error
| Margin of Error Percent: | 5.1856879 |
|---|---|
| Margin of Error Value: | 2,816,098 |
Confidence Interval Values(5)
| Local Test Value: | 52,681,425 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 51,489,090 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 57,121,286 | (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