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Somervell County
2021 Confidence Interval Detail
Somervell County
213-901/Glen Rose ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 87,461,205 | 0.8694 | 100,599,500 | 22 | 730 | 0.070795830 |
| A | 89,313,690 | 0.8957 | 99,713,844 | 21 | 424 | 0.021215467 |
| A | 100,328,110 | 0.9439 | 106,291,037 | 33 | 347 | 0.007641859 |
| A | 187,944,542 | 0.9684 | 194,077,387 | 22 | 435 | 0.016209172 |
| E | 325,751,073 | 0.9091 | 358,322,597 | 28 | 1,445 | 0.057209634 |
| F1 | 18,544,518 | 0.9718 | 19,082,649 | 10 | 109 | 0.054542161 |
| F1 | 23,153,234 | 0.9832 | 23,548,855 | 9 | 59 | 0.007191559 |
| F1 | 18,280,619 | 0.7954 | 22,982,926 | 7 | 21 | 0.033156289 |
| F1 | 23,406,180 | 1.0443 | 22,413,272 | 5 | 11 | 0.019669693 |
| Random Totals: | 874,183,171 | 947,032,067 | 157 | 3,581 | ||
| CATG D1 EXCEPTION VALUES: | 6,084,673 | 4,038,003 | ||||
| CATG J EXCEPTION VALUES: | 70,430 | 71,469 | ||||
| Total Test Values | 880,338,274 | 951,141,539 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 47,557,077 |
Confidence Interval Values(5)
| Local Test Value: | 880,338,274 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 903,584,462 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 998,698,616 | (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