taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
220/Tarrant
220-908/Mansfield ISD

Category Summary

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

Stratum
Variance
A 1,572,419,001 0.9301 1,690,591,335 172 12,030 .008100313
A 1,866,974,803 0.9371 1,992,289,834 175 10,734 .010089988
A 1,904,794,717 0.9378 2,031,131,070 174 8,533 .015827447
A 2,274,868,421 0.9683 2,349,342,581 175 6,684 .016439680
B 92,103,423 0.9583 96,111,263 11 666 .039337827
B 94,263,696 1.0010 94,169,526 7 9 .009354092
B 78,015,111 1.0424 74,841,818 3 4 .000199415
F1 274,823,896 0.9854 278,895,774 10 483 .004642292
F1 263,742,847 0.9387 280,966,067 9 171 .013980584
F1 304,804,887 0.8941 340,906,931 9 75 .010870130
F1 250,919,522 0.9043 277,473,761 6 16 .003643833
G1 76,409,831 1.0246 74,575,279 10 169 .102303373
G1 75,554,784 1.0491 72,018,667 10 78 .021845876
G1 76,183,198 1.0412 73,168,650 9 39 .017307161
G1 75,495,525 1.0486 71,996,495 7 19 .004662813
L1 67,134,782 0.9294 72,234,541 11 325 .014044749
L1 89,945,131 0.9682 92,899,330 9 87 .002591239
L1 109,031,221 0.9730 112,056,753 8 33 .010079195
L1 135,282,899 1.0395 130,142,279 4 9 .004269796
Random Totals: 9,682,767,695   10,205,811,954 819 40,164  
Catg D1 Exception Values: 870,364   537,838      
Catg B Exception Values: 87,830,000   88,397,738      
Catg L1 Exception Values: 315,303,165   325,035,754      
Total Test Values (4): 10,086,771,224   10,619,783,284      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 530,989,164

Confidence Interval Values (5)

Local Test Value: 10,086,771,224 (Outside Confidence Interval)
State Lower Limit: 10,088,794,120 (State Test Value minus Margin of Error Percent)
State Upper Limit: 11,150,772,448 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 9,999,259,624 (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