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Dallas County
2020 Confidence Interval Detail
Dallas County
057-911/Highland Park ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 3,837,119,965 | 0.9630 | 3,984,548,250 | 97 | 3,384 | 0.007183067 |
| A | 4,171,876,640 | 0.9728 | 4,288,524,507 | 102 | 2,458 | 0.005389296 |
| A | 4,125,835,420 | 1.0074 | 4,095,528,509 | 60 | 1,571 | 0.008351024 |
| A | 4,233,387,370 | 0.9500 | 4,456,197,232 | 13 | 688 | 0.010320283 |
| B | 177,407,010 | 0.8080 | 219,563,131 | 15 | 275 | 0.063251463 |
| B | 163,300,680 | 0.9134 | 178,783,315 | 14 | 196 | 0.008792853 |
| B | 215,134,110 | 0.9822 | 219,032,896 | 15 | 218 | 0.001505188 |
| B | 226,793,680 | 0.9902 | 229,038,255 | 10 | 141 | 0.006824067 |
| C1 | 81,463,570 | 0.8426 | 96,681,189 | 9 | 69 | 0.035635849 |
| C1 | 71,844,450 | 0.8355 | 85,989,767 | 8 | 30 | 0.048341012 |
| C1 | 53,467,930 | 0.9592 | 55,742,212 | 6 | 12 | 0.021084479 |
| C1 | 69,912,900 | 1.1887 | 58,814,587 | 4 | 5 | 0.052929595 |
| F1 | 438,907,530 | 0.8263 | 531,172,129 | 11 | 125 | 0.023438670 |
| F1 | 453,748,080 | 0.8019 | 565,841,227 | 8 | 20 | 0.048483535 |
| F1 | 424,770,000 | 0.8952 | 474,497,319 | 6 | 7 | 0.005246473 |
| F1 | 402,737,340 | 0.9450 | 426,193,371 | 3 | 4 | 0.000777416 |
| L1 | 65,536,800 | 1.0566 | 62,026,122 | 10 | 420 | 0.004893611 |
| L1 | 58,966,490 | 1.0203 | 57,793,286 | 11 | 99 | 0.001806536 |
| L1 | 69,974,980 | 1.0266 | 68,161,874 | 9 | 43 | 0.002999217 |
| L1 | 62,891,940 | 1.0057 | 62,535,488 | 5 | 9 | 0.000058964 |
| Random Totals: | 19,405,076,885 | 20,216,664,666 | 416 | 9,774 | ||
| CATG D1 EXCEPTION VALUES: | 0 | 0 | ||||
| Total Test Values | 19,405,076,885 | 20,216,664,666 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,010,833,233 |
Confidence Interval Values(5)
| Local Test Value: | 19,405,076,885 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 19,205,831,433 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 21,227,497,899 | (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