taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
057/Dallas
057-905/Dallas ISD

Category Summary

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

Stratum
Variance
A 9,482,760,890 0.9685 9,791,183,160 999 109,772 .020863806
A 9,454,819,110 0.9698 9,749,246,350 1,001 38,244 .016965755
A 10,712,697,630 0.9628 11,126,607,426 999 21,117 .009808601
A 11,044,102,110 0.9529 11,589,990,671 433 7,188 .036522225
B 2,363,883,510 0.9195 2,570,835,791 73 4,263 .070981339
B 2,588,233,870 0.9748 2,655,143,486 10 271 .029308370
B 2,550,183,890 0.9695 2,630,411,439 8 97 .007254436
B 3,244,676,520 0.9910 3,274,143,814 9 63 .008166613
C1 554,676,710 0.9010 615,623,430 78 10,739 .072658182
C1 552,461,860 0.8734 632,541,630 45 1,310 .033901022
C1 552,130,440 0.7149 772,318,422 12 394 .644832826
C1 556,046,090 0.9007 617,348,829 8 100 .025503468
F1 5,694,099,710 0.9294 6,126,640,532 19 6,555 .063915675
F1 5,846,314,790 0.8540 6,845,801,862 15 1,232 .028398140
F1 5,836,277,080 0.9491 6,149,275,187 15 282 .004777305
F1 5,924,879,060 0.9053 6,544,658,191 12 64 .038504088
L1 2,507,649,550 1.0533 2,380,755,293 10 8,952 .007333697
L1 2,574,171,130 1.0400 2,475,164,548 10 1,187 .005176223
L1 2,603,096,620 1.0201 2,551,805,333 10 296 .002802075
L1 2,433,162,470 1.0162 2,394,373,617 9 60 .000927913
Random Totals: 87,076,323,040   91,493,869,011 3,775 212,186  
Catg J Exception Values: 827,467,393   851,851,979      
Catg D1 Exception Values: 3,134,311   3,310,640      
Total Test Values (4): 87,906,924,744   92,349,031,630      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,617,451,582

Confidence Interval Values (5)

State Lower Limit: 87,731,580,048 (State Test Value minus Margin of Error Percent)
Local Test Value: 87,906,924,744 (Within Confidence Interval)
State Upper Limit: 96,966,483,212 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 85,840,874,458 (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