taxes Property Tax Assistance

2020 Confidence Interval Detail

Dallas County
057-913/Lancaster ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 262,329,710 0.9245 283,753,067 13 2,007 0.042533835
A 356,869,950 0.9152 389,936,571 15 2,189 0.018915771
A 594,529,970 0.9553 622,348,969 23 3,203 0.005122465
A 774,791,500 1.0291 752,882,616 39 3,337 0.004277828
F1 188,323,250 0.8483 222,000,766 10 145 0.044355781
F1 182,828,270 0.8418 217,187,301 7 16 0.004574192
F1 271,152,990 0.9123 297,219,106 5 10 0.009045019
L1 127,061,750 1.0512 120,873,050 10 101 0.004828463
L1 132,989,500 1.0173 130,727,907 6 10 0.001328476
L1 111,849,410 0.9949 112,422,766 3 4 0.001836071
Random Totals: 3,002,726,300 3,149,352,119 131 11,022
CATG D1 EXCEPTION VALUES: 1,120,791 918,490
CATG F1 EXCEPTION VALUES: 150,751,080 154,708,287
CATG J EXCEPTION VALUES: 119,902,346 134,483,378
CATG L1 EXCEPTION VALUES: 105,920,090 105,796,608
Total Test Values 3,380,420,607 3,545,258,882

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 177,262,944

Confidence Interval Values(5)

Local Test Value: 3,380,420,607 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 3,367,995,938 (State Test Value minus Margin of Error Percent)
State Upper Limit: 3,722,521,826 (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