taxes Property Tax Assistance

2019 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 1,480,106,970 0.9938 1,489,340,883 74 2778 0.004382759
A 1,826,783,863 0.9962 1,833,752,121 74 2685 0.004248521
A 1,952,654,693 0.9878 1,976,771,303 77 2226 0.005206487
A 2,153,453,383 0.9765 2,205,277,402 71 1472 0.006586473
F1 435,194,402 0.9241 470,938,645 10 190 0.034776589
F1 325,935,735 0.8268 394,213,516 10 28 0.009024661
F1 425,180,758 0.7472 569,032,064 7 10 0.053115436
L1 38,262,286 1.0639 35,964,175 11 244 0.006270294
L1 39,094,198 1.0525 37,144,131 10 56 0.002582122
L1 43,713,657 1.0315 42,378,727 8 19 0.016404783
L1 65,227,302 1.0011 65,155,631 4 7 0.000001820
Random Totals: 8,785,607,247 9,119,968,598 356 9,715
CATG D1 EXCEPTION VALUES: 102,408 41,907
CATG F1 EXCEPTION VALUES: 328,005,182 459,998,226
CATG J EXCEPTION VALUES: 951,290 1,059,335
Total Test Values(3) 9,114,666,127 9,581,068,066

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 479,053,403

Confidence Interval Values(5)

Local Test Value: 9,114,666,127 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 9,102,014,663 (State Test Value minus Margin of Error Percent)
State Upper Limit: 10,060,121,469 (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