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Gray County
2020 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 | 3,025,610 | 0.5260 | 5,752,110 | 13 | 195 | 0.115351337 |
| A | 2,843,050 | 0.7493 | 3,794,275 | 12 | 74 | 0.026138747 |
| A | 3,503,210 | 0.8563 | 4,091,101 | 11 | 49 | 0.027192886 |
| A | 2,921,850 | 1.0372 | 2,817,056 | 10 | 21 | 0.035281161 |
| E | 9,092,450 | 0.8510 | 10,684,430 | 20 | 159 | 0.131491822 |
| G1 | 2,106,121 | 0.9004 | 2,339,095 | 11 | 193 | 0.112771245 |
| G1 | 2,147,358 | 1.0067 | 2,133,066 | 9 | 31 | 0.001216377 |
| G1 | 2,036,841 | 1.0250 | 1,987,162 | 6 | 13 | 0.002194499 |
| G1 | 2,031,331 | 0.9702 | 2,093,724 | 3 | 4 | 0.000275027 |
| Random Totals: | 29,707,821 | 35,692,019 | 95 | 739 | ||
| CATG D1 EXCEPTION VALUES: | 6,461,010 | 7,065,457 | ||||
| CATG J EXCEPTION VALUES: | 388,790 | 455,253 | ||||
| Total Test Values | 36,557,621 | 43,212,729 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,160,636 |
Confidence Interval Values(5)
| Local Test Value: | 36,557,621 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 41,052,093 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 45,373,365 | (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