taxes Property Tax Assistance

2020 Confidence Interval Detail

Dallas County
057-905/Dallas ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 17,767,838,746 0.9905 17,938,252,141 500 113,299 0.010689107
A 17,520,400,690 0.9923 17,656,354,621 500 50,133 0.007881264
A 17,275,408,071 0.9795 17,636,965,871 501 24,266 0.010055455
A 16,878,436,507 0.9612 17,559,755,001 403 8,718 0.018514552
B 5,852,165,990 0.9899 5,911,875,937 78 3,889 0.007706996
B 5,489,764,400 0.9383 5,850,756,048 16 260 0.015545365
B 6,511,474,630 0.9888 6,585,229,197 14 144 0.010198821
B 5,866,437,580 1.0474 5,600,952,435 12 75 0.008904297
C1 844,428,130 0.8526 990,415,353 56 11,978 0.079763255
C1 795,766,860 0.8505 935,645,926 41 2,001 0.025886030
C1 843,330,780 0.9194 917,262,106 13 712 0.034808933
C1 1,039,003,080 0.9516 1,091,848,550 10 193 0.145115427
F1 8,804,882,520 0.9271 9,497,230,633 76 6,656 0.039936259
F1 8,950,797,190 0.9333 9,590,482,364 15 1,196 0.056211795
F1 8,991,702,770 0.8687 10,350,757,189 16 289 0.039719963
F1 9,661,887,260 0.8477 11,397,767,205 12 81 0.020631268
L1 3,058,463,260 1.0902 2,805,414,841 12 8,057 0.029269187
L1 2,984,476,890 0.9924 3,007,332,618 11 990 0.002110943
L1 3,248,480,720 1.0224 3,177,308,998 11 290 0.008560335
L1 3,241,885,730 1.0191 3,181,126,219 9 53 0.001843020
Random Totals: 145,627,031,804 151,682,733,253 2,306 233,280
CATG D1 EXCEPTION VALUES: 3,082,159 2,717,842
CATG J EXCEPTION VALUES: 1,147,820,408 1,255,507,678
Total Test Values 146,777,934,371 152,940,958,773

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,647,047,939

Confidence Interval Values(5)

Local Test Value: 146,777,934,371 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 145,293,910,834 (State Test Value minus Margin of Error Percent)
State Upper Limit: 160,588,006,712 (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