taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
220/Tarrant
220-901/Arlington ISD

Category Summary

(1)
Category
(1)
Local
Value
(1)
Stratum
Ratio
(1)
State
Value
(2)
Sample
Size
(3)
Total
Parcels

Stratum
Variance
A 2,362,193,654 0.8346 2,830,330,283 250 26,062 .028613536
A 2,420,187,055 0.9034 2,678,976,151 250 18,698 .017174948
A 2,697,884,058 0.9320 2,894,725,384 250 15,575 .016489886
A 2,844,675,241 0.9443 3,012,469,809 250 9,642 .027456629
B 561,426,140 0.9876 568,475,233 24 1,812 .029400619
B 588,607,671 0.9165 642,234,229 9 73 .015878632
B 740,386,605 0.9361 790,926,829 9 52 .022260956
B 688,134,023 1.0149 678,031,356 6 22 .005399985
C1 71,605,230 1.0002 71,590,912 7 728 .002308338
C1 68,427,431 0.8449 80,988,793 7 186 .036201814
C1 68,259,899 0.9256 73,746,650 7 83 .032822431
C1 65,660,926 0.9834 66,769,296 7 28 .000943645
F1 1,229,394,086 0.8658 1,419,951,589 10 1,692 .036089045
F1 1,222,784,659 0.8322 1,469,339,893 11 507 .104199918
F1 1,206,894,896 0.8913 1,354,083,806 9 189 .008792243
F1 1,305,152,578 0.9223 1,415,106,341 9 54 .012064319
G1 72,781,176 0.9855 73,852,030 11 103 .018921455
G1 71,566,105 1.0409 68,754,064 9 49 .014119032
G1 72,968,843 1.0347 70,521,739 9 32 .005607911
G1 69,389,970 1.0218 67,909,542 7 21 .004378909
L1 498,920,433 1.0343 482,374,971 10 1,407 .044252909
L1 616,769,607 0.9918 621,868,932 11 270 .001758632
L1 711,671,082 0.9979 713,168,736 9 80 .015546917
L1 752,623,019 1.0390 724,372,492 6 20 .003089724
Random Totals: 21,008,364,387   22,870,569,060 1,187 77,385  
Catg J Exception Values: 61,583,388   63,572,884      
Catg D1 Exception Values: 84,149   69,868      
Total Test Values (4): 21,070,031,924   22,934,211,812      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,146,710,590

Confidence Interval Values (5)

Local Test Value: 21,070,031,924 (Outside Confidence Interval)
State Lower Limit: 21,787,501,222 (State Test Value minus Margin of Error Percent)
State Upper Limit: 24,080,922,402 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 20,969,741,006 (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