taxes Property Tax Assistance

2023 Confidence Interval Detail

Tarrant County
220-901/Arlington ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 3,139,739,513 0.9329 3,365,569,207 232 16,090 0.025668247
A 4,764,375,059 0.9588 4,969,102,064 253 18,739 0.012443427
A 6,359,061,921 0.9971 6,377,556,836 258 20,584 0.007209832
A 10,684,197,891 0.9977 10,708,828,196 256 24,324 0.012258083
B 1,543,757,248 0.9489 1,626,891,398 10 357 0.004840986
B 1,684,573,199 0.9489 1,775,290,546 9 61 0.006390040
B 1,836,308,312 1.0340 1,775,926,801 8 45 0.006242791
B 2,070,121,743 1.0309 2,008,072,309 7 30 0.003667244
C1 72,304,997 0.6419 112,642,151 11 727 0.135352329
C1 64,724,961 0.3702 174,837,820 10 187 0.620528171
C1 67,202,221 0.2827 237,715,674 9 82 1.154392568
C1 84,486,048 0.9029 93,571,877 8 25 1.040743261
F1 2,065,678,675 0.9373 2,203,860,744 12 1,526 0.023555287
F1 2,080,916,739 0.8725 2,385,004,858 12 473 0.064009673
F1 2,148,867,519 0.8765 2,451,645,772 13 202 0.037778931
F1 2,332,941,768 1.0208 2,285,405,337 11 58 0.006382067
L1 1,056,821,215 0.9995 1,057,349,890 10 1,304 0.001028365
L1 1,203,141,512 1.0078 1,193,829,641 10 215 0.000718689
L1 902,252,726 1.0033 899,285,085 9 46 0.000508381
L1 1,765,891,914 1.0065 1,754,487,744 6 24 0.000153359
Random Totals: 45,927,365,181 47,456,873,950 1,154 85,099
CATG D1 EXCEPTION VALUES: 40,272 36,533
CATG J EXCEPTION VALUES: 60,078,210 62,748,477
CATG L1 EXCEPTION VALUES: 1,647,692,003 1,647,692,003
Total Test Values 47,635,175,666 49,167,350,963

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,458,367,548

Confidence Interval Values(5)

Local Test Value: 47,635,175,666 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 46,708,983,415 (State Test Value minus Margin of Error Percent)
State Upper Limit: 51,625,718,511 (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