taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
057/Dallas
057-914/Mesquite ISD

Category Summary

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

Stratum
Variance
A 979,175,750 1.0027 976,539,094 10 14,518 .004581441
A 928,004,530 1.0208 909,095,347 10 9,454 .001593102
A 820,625,810 1.0233 801,940,594 10 6,822 .006991721
A 808,753,840 1.0044 805,210,912 10 5,164 .001570668
B 102,563,020 0.9974 102,830,379 10 309 .000089982
B 133,542,760 0.8628 154,778,350 7 22 .043521233
B 96,044,440 0.9239 103,955,450 5 9 .025355989
B 123,777,450 0.9273 133,481,559 4 8 .010377377
F1 334,177,210 0.8664 385,707,768 10 590 .012761275
F1 340,575,630 0.8848 384,918,208 9 178 .019355289
F1 322,959,080 0.8654 373,190,525 9 59 .018493841
F1 350,286,120 0.8884 394,288,744 6 19 .004011971
L1 128,081,900 1.0505 121,924,703 10 795 .024797114
L1 141,031,370 1.0658 132,324,423 9 151 .003311301
L1 127,446,820 1.0813 117,864,441 8 33 .005504780
L1 128,135,690 1.0548 121,478,659 5 11 .015852998
Random Totals: 5,865,181,420   6,019,529,156 132 38,142  
Catg D1 Exception Values: 539,286   600,408      
Total Test Values (4): 5,865,720,706   6,020,129,564      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 301,006,478

Confidence Interval Values (5)

State Lower Limit: 5,719,123,086 (State Test Value minus Margin of Error Percent)
Local Test Value: 5,865,720,706 (Within Confidence Interval)
State Upper Limit: 6,321,136,042 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 5,812,309,700 (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