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Rockwall County
2022 Confidence Interval Detail
Rockwall County
199-902/Royse City ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 673,618,694 | 0.9600 | 701,686,140 | 75 | 2,500 | 0.009885283 |
| A | 672,810,006 | 0.9552 | 704,365,584 | 75 | 2,099 | 0.008054516 |
| A | 675,678,681 | 0.9827 | 687,573,706 | 75 | 1,822 | 0.006123217 |
| A | 674,419,469 | 0.9769 | 690,366,945 | 75 | 1,302 | 0.009775999 |
| F1 | 42,988,330 | 1.0426 | 41,231,853 | 16 | 114 | 0.017025891 |
| F1 | 53,943,750 | 1.0646 | 50,670,440 | 15 | 56 | 0.029007921 |
| F1 | 40,224,940 | 1.0656 | 37,748,630 | 16 | 19 | 0.044573971 |
| F1 | 30,429,976 | 0.9094 | 33,462,570 | 7 | 11 | 0.080075996 |
| Random Totals: | 2,864,113,846 | 2,947,105,868 | 354 | 7,923 | ||
| CATG D1 EXCEPTION VALUES: | 1,426,590 | 1,296,393 | ||||
| Total Test Values | 2,865,540,436 | 2,948,402,261 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 147,420,113 |
Confidence Interval Values(5)
| Local Test Value: | 2,865,540,436 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 2,800,982,148 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 3,095,822,374 | (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