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Dallas County
2024 Confidence Interval Detail
Dallas County
057-916/Richardson ISD
Category Summary
| (1) Category |
(1) Stratum Number |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|---|
| A | 2 | 4,684,417,790 | 0.9683 | 4,837,775,266 | 200 | 14,600 | 0.016466080 |
| A | 3 | 6,045,448,170 | 0.9798 | 6,170,083,864 | 200 | 13,506 | 0.010443419 |
| A | 4 | 6,806,317,100 | 0.9734 | 6,992,312,616 | 200 | 11,185 | 0.009338886 |
| A | 5 | 8,892,597,550 | 0.9652 | 9,213,217,520 | 200 | 9,351 | 0.011631374 |
| B | 2 | 1,445,707,810 | 1.0346 | 1,397,359,182 | 14 | 511 | 0.007685412 |
| B | 3 | 1,268,046,130 | 1.1604 | 1,092,766,400 | 9 | 48 | 0.020223926 |
| B | 4 | 1,417,097,420 | 1.2153 | 1,166,047,412 | 8 | 34 | 0.007552160 |
| B | 5 | 1,313,197,120 | 1.2434 | 1,056,134,084 | 7 | 17 | 0.013778410 |
| F1 | 2 | 1,689,200,460 | 0.8389 | 2,013,589,772 | 10 | 897 | 0.078762660 |
| F1 | 3 | 1,896,814,130 | 0.9954 | 1,905,579,797 | 10 | 293 | 0.135248945 |
| F1 | 4 | 1,761,498,440 | 1.0142 | 1,736,835,378 | 9 | 87 | 0.009413582 |
| F1 | 5 | 1,605,493,370 | 1.0142 | 1,583,014,563 | 7 | 22 | 0.003966690 |
| L1 | 2 | 646,239,950 | 1.0599 | 609,717,851 | 12 | 1,832 | 0.008893093 |
| L1 | 3 | 621,676,100 | 1.0198 | 609,605,903 | 11 | 173 | 0.002717117 |
| L1 | 4 | 817,530,150 | 0.9805 | 833,789,036 | 9 | 42 | 0.001554124 |
| Random Totals: | 40,911,281,690 | 41,217,828,644 | 906 | 52,598 | |||
| CATG D1 EXCEPTION VALUES: | 3,573 | 3,447 | |||||
| CATG J EXCEPTION VALUES: | 37,236,142 | 39,031,981 | |||||
| CATG L1 EXCEPTION VALUES: | 618,536,980 | 652,540,595 | |||||
| Total Test Values | 41,567,058,385 | 41,909,404,667 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 2,095,470,233 |
Confidence Interval Values(5)
| Local Test Value: | 41,567,058,385 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 39,813,934,434 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 44,004,874,900 | (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