taxes Property Tax Assistance

2024 Confidence Interval Detail

Dallas County
057-907/Duncanville 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 2 948,405,320 1.0134 935,864,733 66 4,158 0.010251088
A 3 1,430,337,660 1.0076 1,419,549,087 75 5,226 0.010462155
A 4 1,587,792,860 1.0221 1,553,461,364 75 4,795 0.010623011
A 5 2,111,313,050 1.0497 2,011,349,004 75 4,520 0.011747624
B 2 185,881,800 1.2535 148,290,227 10 347 0.085216675
B 3 124,792,650 1.0297 121,193,212 5 8 0.005701746
B 4 210,159,290 1.1875 176,976,244 5 9 0.018396306
B 5 287,568,420 1.2081 238,033,623 4 9 0.016723005
F1 2 289,391,260 0.9185 315,069,418 10 433 0.019179167
F1 3 281,428,090 0.7489 375,788,610 10 134 0.083599568
F1 4 314,787,800 0.8740 360,169,108 9 51 0.045327560
F1 5 336,023,290 1.1138 301,690,869 6 13 0.022137909
L1 2 124,822,780 1.0831 115,245,850 11 361 0.011493659
L1 3 121,312,560 1.0671 113,684,341 11 51 0.013987053
L1 4 125,167,220 1.0279 121,769,841 6 15 0.000993654
L1 5 132,112,880 1.0467 126,218,477 5 6 0.003115376
Random Totals: 8,611,296,930 8,434,354,008 383 20,136
CATG D1 EXCEPTION VALUES: 85,048 71,708
Total Test Values 8,611,381,978 8,434,425,716

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 421,721,286

Confidence Interval Values(5)

Local Test Value: 8,611,381,978 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 8,012,704,430 (State Test Value minus Margin of Error Percent)
State Upper Limit: 8,856,147,002 (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