taxes Property Tax Assistance

2023 Confidence Interval Detail

Tarrant County
220-907/Keller ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 3,331,852,052 0.9830 3,389,473,095 238 11,821 0.008270535
A 6,701,501,312 1.0053 6,666,170,608 250 17,721 0.004249709
A 7,407,624,440 1.0099 7,335,007,862 255 14,169 0.006909980
A 9,510,080,887 0.9744 9,759,935,229 255 9,415 0.009572782
B 1,911,822,272 0.9944 1,922,588,769 8 34 0.000843057
C1 61,306,626 0.8616 71,154,394 12 299 0.115274725
C1 71,520,107 0.8970 79,732,561 10 159 0.084884201
C1 81,150,680 0.4745 171,023,562 9 86 0.362889344
C1 103,028,654 0.8781 117,331,345 8 44 0.284536958
F1 680,791,386 0.9678 703,442,226 12 466 0.038764586
F1 792,782,002 0.9449 839,011,538 12 225 0.134809669
F1 691,529,299 0.9714 711,889,334 12 74 0.003242874
F1 738,087,179 0.8500 868,337,858 11 21 0.033617300
L1 179,071,104 0.9771 183,267,940 11 1,161 0.010453041
L1 208,852,732 1.0200 204,757,580 11 166 0.021433145
L1 199,708,672 1.0718 186,330,166 8 29 0.008168427
Random Totals: 32,670,709,404 33,209,454,067 1,122 55,890
CATG D1 EXCEPTION VALUES: 229,368 214,455
CATG L1 EXCEPTION VALUES: 179,271,019 169,984,095
Total Test Values 32,850,209,791 33,379,652,617

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,668,982,631

Confidence Interval Values(5)

Local Test Value: 32,850,209,791 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 31,710,669,986 (State Test Value minus Margin of Error Percent)
State Upper Limit: 35,048,635,248 (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