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Grayson County
2024 Confidence Interval Detail
Grayson County
091-901/Bells 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 | 75,649,456 | 1.0103 | 74,878,210 | 10 | 391 | 0.002627519 |
| A | 3 | 63,316,816 | 1.0222 | 61,941,710 | 10 | 211 | 0.004279704 |
| A | 4 | 47,901,725 | 0.9440 | 50,743,353 | 11 | 120 | 0.008503479 |
| A | 5 | 52,305,618 | 0.9600 | 54,485,019 | 10 | 93 | 0.004091419 |
| E | 0 | 240,278,130 | 0.9755 | 246,312,793 | 21 | 820 | 0.012855756 |
| Random Totals: | 479,451,745 | 488,361,085 | 62 | 1,635 | |||
| CATG D1 EXCEPTION VALUES: | 1,214,533 | 1,035,594 | |||||
| CATG J EXCEPTION VALUES: | 45,594,763 | 45,320,848 | |||||
| Total Test Values | 526,261,041 | 534,717,527 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 26,735,876 |
Confidence Interval Values(5)
| Local Test Value: | 526,261,041 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 507,981,651 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 561,453,403 | (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