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Grayson County
2024 Confidence Interval Detail
Grayson County
091-908/Van Alstyne 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 | 441,791,605 | 0.9973 | 442,987,672 | 77 | 1,375 | 0.002977471 |
| A | 3 | 360,383,483 | 0.9948 | 362,267,273 | 50 | 822 | 0.004010066 |
| A | 4 | 353,564,989 | 0.9826 | 359,825,961 | 30 | 611 | 0.003510284 |
| A | 5 | 341,622,191 | 0.9415 | 362,848,849 | 22 | 414 | 0.011581447 |
| E | 0 | 414,152,660 | 0.9574 | 432,580,593 | 19 | 812 | 0.015974710 |
| Random Totals: | 1,911,514,928 | 1,960,510,348 | 198 | 4,034 | |||
| CATG D1 EXCEPTION VALUES: | 1,618,326 | 1,620,020 | |||||
| Total Test Values | 1,913,133,254 | 1,962,130,368 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 98,106,518 |
Confidence Interval Values(5)
| Local Test Value: | 1,913,133,254 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 1,864,023,850 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 2,060,236,886 | (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