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Williamson County
2020 Confidence Interval Detail
Williamson County
246-908/Liberty Hill ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 758,574,739 | 0.9553 | 794,069,652 | 49 | 2,903 | 0.005614477 |
| A | 587,764,532 | 0.9411 | 624,550,560 | 48 | 1,587 | 0.004024397 |
| A | 586,334,270 | 0.9558 | 613,448,703 | 47 | 1,226 | 0.005078985 |
| A | 673,408,723 | 0.9690 | 694,952,243 | 48 | 986 | 0.005500927 |
| E | 324,961,637 | 0.9239 | 351,728,149 | 12 | 1,044 | 0.010158903 |
| F1 | 48,195,273 | 0.9526 | 50,593,400 | 11 | 111 | 0.026758623 |
| F1 | 44,397,661 | 1.0041 | 44,216,374 | 10 | 46 | 0.001722872 |
| F1 | 58,872,304 | 0.9418 | 62,510,410 | 8 | 30 | 0.008646675 |
| F1 | 44,917,611 | 0.9133 | 49,181,661 | 6 | 12 | 0.017039618 |
| Random Totals: | 3,127,426,750 | 3,285,251,152 | 239 | 7,945 | ||
| CATG D1 EXCEPTION VALUES: | 1,656,626 | 1,432,071 | ||||
| Total Test Values | 3,129,083,376 | 3,286,683,223 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 164,334,161 |
Confidence Interval Values(5)
| Local Test Value: | 3,129,083,376 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 3,122,349,062 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 3,451,017,384 | (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