taxes Property Tax Assistance

2020 Confidence Interval Detail

Dallas County
057-909/Garland ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 3,600,680,020 0.9749 3,693,383,957 244 22,845 0.006817334
A 4,126,506,123 0.9817 4,203,428,871 250 20,336 0.004690370
A 4,848,841,893 0.9997 4,850,296,982 248 19,345 0.004888040
A 4,736,931,135 0.9926 4,772,245,754 250 13,153 0.003455991
B 415,476,630 0.9269 448,243,209 21 882 0.030671257
B 432,788,990 0.8680 498,604,827 7 44 0.042967732
B 447,716,660 0.9428 474,879,784 8 20 0.024182254
B 663,540,550 1.0181 651,743,984 6 14 0.005548801
C1 111,173,180 0.9260 120,057,430 10 1,543 0.026514139
C1 103,820,510 0.7511 138,224,617 10 352 0.257363975
C1 107,977,040 0.6799 158,813,120 10 106 0.080288903
C1 99,578,830 1.3319 74,764,494 7 24 0.044065330
F1 823,753,870 0.8398 980,892,915 11 1,318 0.023487455
F1 862,595,340 0.8053 1,071,147,821 12 389 0.038911263
F1 832,446,010 0.7456 1,116,478,018 10 141 0.031108515
F1 982,125,370 0.8816 1,114,026,055 10 58 0.004821885
L1 342,505,460 1.0084 339,652,380 11 1,321 0.001736952
L1 320,948,200 1.0317 311,086,750 11 169 0.001600890
L1 350,870,930 1.0121 346,676,149 9 50 0.001376837
L1 199,184,580 1.0180 195,662,652 4 6 0.000717711
Random Totals: 24,409,461,321 25,560,309,769 1,149 82,116
CATG D1 EXCEPTION VALUES: 357,396 328,536
Total Test Values 24,409,818,717 25,560,638,305

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,278,031,915

Confidence Interval Values(5)

Local Test Value: 24,409,818,717 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 24,282,606,390 (State Test Value minus Margin of Error Percent)
State Upper Limit: 26,838,670,220 (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