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Dallas County
2022 Confidence Interval Detail
Dallas County
057-916/Richardson ISD
Category Summary
| (1) Category |
(1) Local Value |
(1) Stratum Ratio |
(1) State Value |
(2) Sample Size |
(3) Total Parcels |
Stratum Variance |
|---|---|---|---|---|---|---|
| A | 2,395,096,030 | 0.9225 | 2,596,310,060 | 198 | 9,813 | 0.019663974 |
| A | 4,630,556,050 | 0.9694 | 4,776,723,798 | 201 | 13,582 | 0.007750843 |
| A | 5,481,530,990 | 0.9597 | 5,711,713,025 | 199 | 12,229 | 0.014014241 |
| A | 9,352,943,300 | 0.9415 | 9,934,087,414 | 200 | 13,472 | 0.016677487 |
| B | 995,535,390 | 0.9320 | 1,068,171,019 | 23 | 527 | 0.017833735 |
| B | 940,494,140 | 1.0140 | 927,509,014 | 9 | 48 | 0.013991487 |
| B | 1,332,572,730 | 1.0190 | 1,307,725,937 | 8 | 42 | 0.002933930 |
| B | 1,299,951,010 | 1.1120 | 1,169,020,692 | 6 | 20 | 0.010909591 |
| F1 | 1,460,754,670 | 0.7098 | 2,057,980,657 | 9 | 898 | 0.216067920 |
| F1 | 1,551,819,050 | 0.9834 | 1,578,014,084 | 10 | 281 | 0.090941830 |
| F1 | 1,597,113,440 | 0.9600 | 1,663,659,833 | 9 | 90 | 0.015018618 |
| F1 | 1,582,026,160 | 1.0350 | 1,528,527,691 | 7 | 22 | 0.000763039 |
| L1 | 539,789,050 | 0.9733 | 554,596,784 | 12 | 1,955 | 0.021225141 |
| L1 | 511,441,060 | 1.0135 | 504,628,574 | 10 | 219 | 0.014685966 |
| L1 | 563,252,110 | 1.0047 | 560,617,209 | 11 | 54 | 0.011794055 |
| L1 | 706,672,670 | 0.9467 | 746,458,931 | 5 | 11 | 0.005143235 |
| Random Totals: | 34,941,547,850 | 36,685,744,722 | 917 | 53,263 | ||
| CATG D1 EXCEPTION VALUES: | 3,549 | 3,600 | ||||
| CATG J EXCEPTION VALUES: | 203,990,348 | 221,921,598 | ||||
| Total Test Values | 35,145,541,747 | 36,907,669,920 |
Margin of Error
| Margin of Error Percent: | 5.0000000 |
|---|---|
| Margin of Error Value: | 1,845,383,496 |
Confidence Interval Values(5)
| Local Test Value: | 35,145,541,747 | WITHIN CONFIDENCE INTERVAL |
|---|---|---|
| State Lower Limit: | 35,062,286,424 | (State Test Value minus Margin of Error Percent) |
| State Upper Limit: | 38,753,053,416 | (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