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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 | 0.6261 | 4,832,471 | 13 | 195 | 0.105987668 |
| A | 2,843,050 | 0.8620 | 3,298,202 | 11 | 74 | 0.021284904 |
| A | 3,503,210 | 0.8692 | 4,030,384 | 11 | 49 | 0.025828508 |
| A | 2,921,850 | 1.0593 | 2,758,284 | 10 | 21 | 0.026877512 |
| E | 9,092,450 | 0.9124 | 9,965,421 | 19 | 159 | 0.125085705 |
| 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 | 33,437,809 | 93 | 739 | ||
| CATG D1 EXCEPTION VALUES: | 6,461,010 | 7,065,457 | ||||
| CATG J EXCEPTION VALUES: | 388,790 | 396,580 | ||||
| Total Test Values | 36,557,621 | 40,899,846 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,044,992 |
Confidence Interval Values(5)
| Local Test Value: | 36,557,621 | OUTSIDE CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 38,854,854 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 42,944,838 | (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