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Grayson County
2022 Confidence Interval Detail
Grayson County
091-908/Van Alstyne ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 102,018,230 | 0.9390 | 108,645,612 | 10 | 563 | 0.023742697 |
| A | 138,658,147 | 0.9722 | 142,623,068 | 10 | 495 | 0.006374857 |
| A | 343,411,222 | 0.9921 | 346,145,774 | 13 | 939 | 0.013962741 |
| A | 593,465,260 | 1.0284 | 577,076,293 | 19 | 1,050 | 0.007290296 |
| E | 231,766,798 | 1.0239 | 226,356,869 | 10 | 571 | 0.014836054 |
| F1 | 19,715,085 | 1.0023 | 19,669,844 | 9 | 84 | 0.071245390 |
| F1 | 29,349,982 | 0.9525 | 30,813,629 | 8 | 45 | 0.024191837 |
| F1 | 19,326,814 | 0.9254 | 20,884,822 | 6 | 12 | 0.090076383 |
| F1 | 16,866,090 | 1.1406 | 14,786,593 | 3 | 4 | 0.017064907 |
| Random Totals: | 1,494,577,628 | 1,487,002,504 | 88 | 3,763 | ||
| CATG D1 EXCEPTION VALUES: | 2,102,622 | 1,657,630 | ||||
| Total Test Values | 1,496,680,250 | 1,488,660,134 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 74,433,007 |
Confidence Interval Values(5)
| Local Test Value: | 1,496,680,250 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 1,414,227,127 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 1,563,093,141 | (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