taxes Property Tax Assistance

2022 Confidence Interval Detail

Dallas County
057-912/Irving ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 865,534,610 0.8941 968,051,236 92 5,301 0.043344936
A 1,841,204,770 0.9475 1,943,224,032 99 8,649 0.017211632
A 3,330,689,160 0.9653 3,450,418,688 100 12,065 0.010617918
A 2,939,756,660 0.9777 3,006,808,489 100 5,445 0.013079273
B 779,162,330 1.0466 744,470,027 10 146 0.009842137
B 762,638,420 1.1133 685,025,079 9 40 0.022934606
B 1,037,342,780 1.0695 969,932,473 7 31 0.002115179
B 1,400,749,210 1.0402 1,346,615,276 6 20 0.003123338
C1 85,636,350 0.6881 124,453,350 10 1,348 0.049989045
C1 75,260,160 0.7804 96,437,929 10 176 0.097534907
C1 70,253,210 0.9243 76,006,935 8 35 0.027975619
C1 70,199,510 0.5375 130,603,740 4 7 0.507647917
F1 987,143,180 0.9412 1,048,813,408 15 919 0.026120747
F1 964,494,070 0.8956 1,076,925,045 14 196 0.037759548
F1 1,022,764,920 1.0075 1,015,151,285 12 62 0.002559986
F1 1,266,188,780 1.0149 1,247,599,547 7 19 0.002755774
L1 487,646,990 1.0353 471,019,985 11 995 0.013266018
L1 528,685,900 1.0277 514,436,022 12 156 0.005468897
L1 428,006,440 1.0404 411,386,428 8 31 0.011788034
L1 584,615,020 1.0135 576,799,586 5 7 0.000115856
Random Totals: 19,527,972,470 19,904,178,560 539 35,648
CATG D1 EXCEPTION VALUES: 99,007 93,847
CATG J EXCEPTION VALUES: 240,697,071 253,199,310
Total Test Values 19,768,768,548 20,157,471,717

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,007,873,586

Confidence Interval Values(5)

Local Test Value: 19,768,768,548 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 19,149,598,131 (State Test Value minus Margin of Error Percent)
State Upper Limit: 21,165,345,303 (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