taxes Property Tax Assistance

2023 Confidence Interval Detail

Tarrant County
061-911/Northwest ISD

Category Summary

(1)
Category 		(1)
Local
Value 		(1)
Stratum
Ratio 		(1)
State
Value 		(2)
Sample
Size 		(3)
Total
Parcels
Stratum
Variance
A 833,798,495 0.9735 856,495,629 83 2,917 0.010896454
A 2,020,461,127 1.0309 1,959,900,210 111 5,817 0.006255444
A 2,625,183,768 1.0216 2,569,678,708 102 6,101 0.005720505
A 3,708,423,050 1.0150 3,653,618,768 104 5,822 0.005026335
B 715,716,010 0.9574 747,562,158 7 20 0.000708028
F1 595,035,362 0.9842 604,587,850 10 199 0.040196240
F1 602,488,051 0.9566 629,822,341 9 52 0.007846345
F1 553,857,023 0.9011 614,645,459 7 22 0.015797331
F1 632,925,253 0.9878 640,742,309 5 10 0.000580124
L1 528,979,808 1.0125 522,449,193 10 76 0.005339069
L1 554,876,527 1.0172 545,494,030 6 19 0.002795022
L1 443,438,686 0.9941 446,070,502 4 6 0.000230882
L1 403,993,514 1.0415 387,888,081 2 4 0.003269227
Random Totals: 14,219,176,674 14,178,955,238 460 21,065
CATG D1 EXCEPTION VALUES: 966,954 925,582
CATG F1 EXCEPTION VALUES: 601,563,300 607,873,405
CATG L1 EXCEPTION VALUES: 2,555,621,673 2,396,537,363
Total Test Values 17,377,328,601 17,184,291,588

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 859,214,579

Confidence Interval Values(5)

Local Test Value: 17,377,328,601 WITHIN CONFIDENCE INTERVAL
State Lower Limit: 16,325,077,009 (State Test Value minus Margin of Error Percent)
State Upper Limit: 18,043,506,167 (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