taxes Property Tax Assistance

2021 Confidence Interval Detail

Tarrant County
220-905/Fort Worth ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 5,651,707,635 0.9168 6,164,602,569 341 48,270 0.024235000
A 6,852,696,684 0.9808 6,986,844,091 353 34,205 0.010528732
A 6,919,702,271 0.9918 6,976,912,957 351 19,983 0.011222103
A 6,676,983,071 0.9498 7,029,883,208 324 7,924 0.020519050
B 1,443,700,210 0.9132 1,580,924,452 93 1,900 0.084437570
B 1,447,319,128 0.8981 1,611,534,493 10 90 0.018133395
B 1,281,048,298 0.9771 1,311,071,843 12 37 0.022333363
B 2,027,062,547 0.9224 2,197,595,996 11 32 0.015013740
C1 178,342,497 0.5986 297,932,671 55 4,489 0.329446244
C1 179,181,121 0.8439 212,325,063 13 780 0.059438321
C1 183,744,910 0.6811 269,776,699 10 276 0.234334764
C1 193,974,976 1.0841 178,927,199 10 90 0.131728741
F1 2,791,176,384 0.9016 3,095,803,443 50 3,344 0.134721638
F1 2,642,122,411 1.0431 2,532,952,172 15 636 0.114388912
F1 2,148,933,388 0.8202 2,620,011,446 15 125 0.056310759
F1 2,179,612,140 1.0049 2,168,984,118 15 29 0.042998728
L1 851,705,913 1.0617 802,209,582 12 2,989 0.001667462
L1 894,539,484 0.9849 908,254,121 12 426 0.024787703
L1 825,757,900 1.0404 793,692,714 12 110 0.002363657
L1 946,686,118 0.9808 965,218,310 9 31 0.014223549
Random Totals: 46,315,997,086 48,705,457,147 1,723 125,766
CATG D1 EXCEPTION VALUES: 1,248,873 1,159,970
CATG J EXCEPTION VALUES: 192,347,000 204,644,943
Total Test Values 46,509,592,959 48,911,262,060

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,445,563,103

Confidence Interval Values(5)

Local Test Value: 46,509,592,959 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 46,465,698,957 (State Test Value minus Margin of Error Percent)
State Upper Limit: 51,356,825,163 (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