taxes Property Tax Assistance

2021 Confidence Interval Detail

Tarrant County
220-919/Carroll ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 1,451,777,128 0.9916 1,464,075,361 39 2,624 0.015436618
A 2,156,840,022 0.9831 2,193,917,223 52 3,008 0.018754776
A 2,138,246,065 0.9443 2,264,371,561 30 2,251 0.021111518
A 2,312,894,273 0.9567 2,417,575,283 37 1,388 0.067063961
F1 451,034,306 0.9339 482,957,818 20 205 0.038870457
F1 283,338,852 0.8586 330,000,992 15 31 0.035398768
F1 517,022,888 0.8644 598,129,209 12 18 0.055622210
L1 77,264,537 1.0799 71,547,863 10 461 0.011453303
L1 69,662,220 1.0004 69,634,366 12 86 0.004589822
L1 99,712,152 1.0032 99,394,091 8 26 0.000242856
Random Totals: 9,557,792,443 9,991,603,767 235 10,098
CATG D1 EXCEPTION VALUES: 95,394 60,573
CATG F1 EXCEPTION VALUES: 421,740,301 469,137,640
CATG J EXCEPTION VALUES: 838,340 958,102
CATG L1 EXCEPTION VALUES: 77,128,082 77,317,747
Total Test Values 10,057,594,560 10,539,077,829

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 526,953,891

Confidence Interval Values(5)

Local Test Value: 10,057,594,560 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 10,012,123,938 (State Test Value minus Margin of Error Percent)
State Upper Limit: 11,066,031,720 (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