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Gray County
2020 Confidence Interval Detail
Gray County
033-901/Groom ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| E | 3,180,150 | 1.0188 | 3,121,466 | 21 | 51 | 0.175072808 |
| G1 | 225,150 | 0.9675 | 232,713 | 7 | 17 | 0.000660828 |
| Random Totals: | 3,405,300 | 3,354,179 | 28 | 68 | ||
| CATG D1 EXCEPTION VALUES: | 2,683,900 | 3,650,344 | ||||
| CATG G1 EXCEPTION VALUES: | 79,594 | 76,447 | ||||
| CATG J EXCEPTION VALUES: | 539,490 | 614,220 | ||||
| Total Test Values | 6,708,284 | 7,695,190 |
Margin of Error
| Margin of Error Percent: | 5.8373255 |
|---|---|
| Margin of Error Value: | 449,193 |
Confidence Interval Values(5)
| Local Test Value: | 6,708,284 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 7,245,997 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 8,144,383 | (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