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Gray County
2021 Confidence Interval Detail
Gray County
090-903/McLean ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,626,890 | 0.7336 | 4,943,961 | 15 | 216 | 0.069909550 |
| A | 3,840,500 | 0.9688 | 3,964,182 | 16 | 94 | 0.123652033 |
| A | 4,422,570 | 0.9979 | 4,431,877 | 15 | 61 | 0.169399974 |
| A | 4,361,350 | 1.1218 | 3,887,814 | 16 | 31 | 0.060094016 |
| E | 12,930,530 | 1.0411 | 12,420,065 | 20 | 167 | 0.332842242 |
| G1 | 2,478,433 | 0.9788 | 2,532,114 | 10 | 223 | 0.252903856 |
| G1 | 2,505,361 | 1.0143 | 2,470,039 | 9 | 70 | 0.137826074 |
| G1 | 2,525,381 | 1.0856 | 2,326,254 | 8 | 33 | 0.034147788 |
| G1 | 2,389,007 | 1.1449 | 2,086,651 | 6 | 12 | 0.156212608 |
| Random Totals: | 39,080,022 | 39,062,957 | 115 | 907 | ||
| CATG D1 EXCEPTION VALUES: | 6,891,640 | 6,820,633 | ||||
| CATG J EXCEPTION VALUES: | 8,687,050 | 9,042,512 | ||||
| Total Test Values | 54,658,712 | 54,926,102 |
Margin of Error
| Margin of Error Percent: | 6.2139490 |
|---|---|
| Margin of Error Value: | 3,413,080 |
Confidence Interval Values(5)
| Local Test Value: | 54,658,712 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 51,513,022 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 58,339,182 | (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