taxes Property Tax Assistance

2020 Confidence Interval Detail

Dallas County
057-903/Carrollton-Farmers Branch ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 1,573,229,590 0.9830 1,600,437,019 147 8,009 0.011709931
A 1,608,106,288 0.9808 1,639,586,346 150 5,703 0.004573650
A 1,675,439,147 0.9793 1,710,853,821 151 4,588 0.009428050
A 1,796,852,807 0.9749 1,843,114,993 149 3,410 0.005658973
B 767,814,270 0.8917 861,067,926 10 50 0.013450685
B 1,067,172,080 0.9490 1,124,522,740 10 35 0.004533401
B 907,135,350 0.9653 939,744,484 7 21 0.003390521
B 1,150,820,120 0.9666 1,190,585,682 7 19 0.007324058
C1 91,310,460 0.8457 107,970,273 10 788 0.108458932
C1 86,076,410 0.7738 111,238,576 10 111 0.573715609
C1 88,734,570 1.1052 80,288,246 8 32 0.096245109
C1 101,667,950 1.0577 96,121,726 6 15 0.008142766
F1 1,479,838,500 0.9930 1,490,270,393 13 706 0.029245763
F1 1,439,797,110 0.7588 1,897,465,880 10 241 0.037058800
F1 1,626,190,740 0.9399 1,730,174,210 12 109 0.010619639
F1 1,657,059,060 0.9694 1,709,365,649 7 31 0.033680579
L1 634,589,010 1.0522 603,106,833 12 1,157 0.011938488
L1 636,916,690 1.0131 628,680,969 11 193 0.045589415
L1 741,840,240 1.0295 720,583,040 10 67 0.001742611
L1 726,908,400 1.0070 721,855,412 6 12 0.000123907
Random Totals: 19,857,498,792 20,807,034,218 746 25,297
CATG D1 EXCEPTION VALUES: 15,478 13,544
Total Test Values 19,857,514,270 20,807,047,762

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,040,352,388

Confidence Interval Values(5)

Local Test Value: 19,857,514,270 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 19,766,695,374 (State Test Value minus Margin of Error Percent)
State Upper Limit: 21,847,400,150 (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