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Robertson County
2020 Confidence Interval Detail
Robertson County
198-906/Mumford ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| E | 7,517,171 | 0.9493 | 7,918,646 | 10 | 72 | 0.117167705 |
| G1 | 59,983,266 | 1.0748 | 55,808,770 | 8 | 36 | 0.021188415 |
| L1 | 1,312,948 | 0.9421 | 1,393,640 | 6 | 8 | 0.029426229 |
| Random Totals: | 68,813,385 | 65,121,056 | 24 | 116 | ||
| CATG D1 EXCEPTION VALUES: | 6,875,633 | 7,008,020 | ||||
| CATG J EXCEPTION VALUES: | 79,108 | 76,017 | ||||
| Total Test Values | 75,768,126 | 72,205,093 |
Margin of Error
| Margin of Error Percent: | 7.6312539 |
|---|---|
| Margin of Error Value: | 5,510,154 |
Confidence Interval Values(5)
| Local Test Value: | 75,768,126 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 66,694,939 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 77,715,247 | (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