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Williamson County
2020 Confidence Interval Detail
Williamson County
246-911/Taylor ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 220,427,882 | 0.9292 | 237,223,291 | 33 | 1,779 | 0.042663864 |
| A | 211,212,063 | 0.9659 | 218,668,664 | 56 | 1,186 | 0.017102095 |
| A | 211,865,940 | 0.9524 | 222,454,788 | 46 | 1,001 | 0.006195836 |
| A | 205,010,772 | 0.9906 | 206,956,160 | 26 | 684 | 0.009466717 |
| E | 92,531,961 | 0.8730 | 105,993,082 | 8 | 632 | 0.008843875 |
| F1 | 57,255,872 | 0.9522 | 60,130,090 | 11 | 220 | 0.007304603 |
| F1 | 54,734,037 | 0.8281 | 66,095,927 | 10 | 69 | 0.085528307 |
| F1 | 67,359,336 | 0.8423 | 79,970,718 | 7 | 21 | 0.078265164 |
| Random Totals: | 1,120,397,863 | 1,197,492,720 | 197 | 5,592 | ||
| CATG D1 EXCEPTION VALUES: | 6,820,013 | 10,922,068 | ||||
| CATG F1 EXCEPTION VALUES: | 49,917,607 | 52,061,415 | ||||
| Total Test Values | 1,177,135,483 | 1,260,476,203 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 63,023,810 |
Confidence Interval Values(5)
| Local Test Value: | 1,177,135,483 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 1,197,452,393 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,323,500,013 | (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