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Grayson County
2020 Confidence Interval Detail
Grayson County
091-914/S and S CISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 66,127,825 | 0.9887 | 66,883,610 | 13 | 611 | 0.023549300 |
| A | 77,876,483 | 0.9634 | 80,835,046 | 12 | 366 | 0.015159684 |
| A | 72,873,811 | 0.9862 | 73,893,542 | 21 | 246 | 0.008471810 |
| A | 92,704,975 | 0.9896 | 93,679,239 | 14 | 199 | 0.003610886 |
| E | 122,725,521 | 0.9687 | 126,690,948 | 25 | 728 | 0.044147703 |
| G1 | 9,797,453 | 1.0106 | 9,694,689 | 8 | 39 | 0.007266631 |
| G1 | 9,697,397 | 1.0095 | 9,606,139 | 6 | 14 | 0.000383106 |
| G1 | 9,361,589 | 1.0458 | 8,951,605 | 5 | 8 | 0.004972290 |
| Random Totals: | 461,165,054 | 470,234,818 | 104 | 2,211 | ||
| CATG D1 EXCEPTION VALUES: | 5,408,245 | 2,963,221 | ||||
| CATG G1 EXCEPTION VALUES: | 9,071,974 | 8,355,925 | ||||
| CATG J EXCEPTION VALUES: | 19,400,242 | 19,618,175 | ||||
| Total Test Values | 495,045,515 | 501,172,139 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 25,058,607 |
Confidence Interval Values(5)
| Local Test Value: | 495,045,515 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 476,113,532 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 526,230,746 | (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