taxes Property Tax Assistance

2016 Confidence Interval Detail

220/Tarrant
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 4,434,023,904 0.9339 4,747,857,270 824 53,606 .030378293
A 4,433,943,763 0.9663 4,588,578,871 1,149 26,755 .015715402
A 4,434,342,999 0.9532 4,652,059,378 670 13,022 .014962340
A 4,433,478,582 0.9508 4,662,892,913 192 5,061 .018427093
B 687,078,527 1.0147 677,124,793 12 3,475 .031847311
B 769,505,135 1.1713 656,966,734 11 144 .027492395
B 791,302,063 1.0795 733,026,459 11 53 .008760572
B 1,068,216,750 1.0122 1,055,341,583 7 26 .001156243
C1 153,096,622 0.9863 155,223,180 10 6,299 .004122529
C1 159,656,638 0.8333 191,595,629 10 1,057 .143738495
C1 164,348,996 0.9717 169,135,532 9 400 .011542587
C1 163,268,839 0.9846 165,822,506 8 116 .004865955
F1 1,746,257,771 0.9652 1,809,218,577 11 3,854 .005520746
F1 1,781,101,124 0.9401 1,894,586,878 12 770 .056489798
F1 1,827,469,098 1.0217 1,788,655,278 10 182 .030939268
F1 1,604,405,067 0.9736 1,647,909,888 10 33 .001926917
G1 59,499,633 0.9844 60,442,537 14 379 .035705395
G1 59,141,950 1.0554 56,037,474 9 120 .040030891
G1 59,011,454 0.9629 61,285,132 9 70 .017745311
G1 59,061,906 1.0227 57,750,959 8 38 .026969337
L1 928,172,383 1.0784 860,693,975 10 2,613 .038114950
L1 817,033,241 0.9457 863,945,481 10 306 .027270384
L1 882,589,550 1.0255 860,643,150 9 89 .001253143
L1 587,255,867 0.9906 592,828,454 6 15 .001082852
Random Totals: 32,103,261,862   33,009,622,631 3,031 118,483  
Catg J Exception Values: 416,154,720   445,279,979      
Catg D1 Exception Values: 1,521,572   716,104      
Total Test Values (4): 32,520,938,154   33,455,618,714      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,672,780,935

Confidence Interval Values (5)

State Lower Limit: 31,782,837,779 (State Test Value minus Margin of Error Percent)
Local Test Value: 32,520,938,154 (Within Confidence Interval)
State Upper Limit: 35,128,399,649 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 30,153,705,760 (See ISD Summary Worksheet)

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, D3, F1, G1, G2, or L1 marked as exception properties
(5) Unstudied categories and sub-categories were not included in the Confidence Interval Values
(6) Includes local value of unstudied property categories and sub-categories