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Collin County
2023 Confidence Interval Detail
Collin County
043-903/Celina ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 303,858,195 | 0.8970 | 338,749,381 | 28 | 820 | 0.064882570 |
| A | 717,651,853 | 1.0025 | 715,862,198 | 57 | 1,591 | 0.009233993 |
| A | 1,026,008,251 | 0.9652 | 1,063,000,674 | 59 | 1,846 | 0.006262998 |
| A | 1,068,061,741 | 0.9638 | 1,108,177,777 | 44 | 1,221 | 0.009628182 |
| E | 760,654,422 | 0.9745 | 780,558,668 | 21 | 974 | 0.240556375 |
| Random Totals: | 3,876,234,462 | 4,006,348,698 | 209 | 6,452 | ||
| CATG D1 EXCEPTION VALUES: | 5,358,808 | 3,933,817 | ||||
| Total Test Values | 3,881,593,270 | 4,010,282,515 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 200,514,126 |
Confidence Interval Values(5)
| Local Test Value: | 3,881,593,270 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 3,809,768,389 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 4,210,796,641 | (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