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Nolan County
2020 Confidence Interval Detail
Nolan County
177-903/Blackwell CISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| D2 | 9,302,100 | 0.9880 | 9,415,081 | 13 | 245 | 0.005615484 |
| E | 22,015,340 | 1.0732 | 20,513,735 | 16 | 282 | 0.136481809 |
| G1 | 5,031,270 | 0.9972 | 5,045,397 | 14 | 50 | 0.000179067 |
| G1 | 5,263,328 | 0.9997 | 5,264,907 | 6 | 8 | 0.000217058 |
| Random Totals: | 41,612,038 | 40,239,120 | 49 | 585 | ||
| CATG D1 EXCEPTION VALUES: | 13,868,352 | 11,321,641 | ||||
| CATG G1 EXCEPTION VALUES: | 9,003,690 | 8,941,330 | ||||
| CATG J EXCEPTION VALUES: | 37,464,859 | 41,578,730 | ||||
| Total Test Values | 101,948,939 | 102,080,821 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 5,104,041 |
Confidence Interval Values(5)
| Local Test Value: | 101,948,939 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 96,976,780 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 107,184,862 | (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