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Grayson County
2024 Confidence Interval Detail
Grayson County
091-918/Tom Bean ISD
Category Summary
| (1) Category |
(1) Stratum Number |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|---|
| A | 2 | 97,480,608 | 0.9407 | 103,625,606 | 14 | 454 | 0.023854176 |
| A | 3 | 83,403,097 | 1.0512 | 79,340,846 | 12 | 246 | 0.011079137 |
| A | 4 | 95,232,285 | 1.0094 | 94,345,438 | 12 | 218 | 0.009687362 |
| A | 5 | 57,161,792 | 0.9925 | 57,593,745 | 12 | 98 | 0.003450472 |
| E | 0 | 285,678,285 | 0.9718 | 293,968,188 | 20 | 943 | 0.022674484 |
| Random Totals: | 618,956,067 | 628,873,823 | 70 | 1,959 | |||
| CATG D1 EXCEPTION VALUES: | 1,797,668 | 1,855,399 | |||||
| Total Test Values | 620,753,735 | 630,729,222 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 31,536,461 |
Confidence Interval Values(5)
| Local Test Value: | 620,753,735 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 599,192,761 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 662,265,683 | (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