taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
057/Dallas
057-913/Lancaster ISD

Category Summary

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

Stratum
Variance
A 190,836,440 0.9620 198,374,678 25 3,126 .020665488
A 216,222,130 0.9567 226,008,289 23 2,565 .017799000
A 226,940,040 0.9614 236,051,633 24 2,215 .007420377
A 266,267,500 0.9764 272,703,298 25 1,859 .004523346
F1 63,487,260 0.8343 76,096,440 10 158 .024493892
F1 71,730,940 0.8267 86,767,800 9 40 .019813020
F1 50,157,510 0.8712 57,572,899 6 7 .003934215
L1 39,391,060 1.0473 37,612,012 9 138 .005414603
L1 28,709,570 1.1185 25,667,921 6 14 .011198172
L1 60,876,800 1.0930 55,696,981 4 7 .029654223
Random Totals: 1,214,619,250   1,272,551,951 141 10,129  
Catg J Exception Values: 77,364,813   79,227,944      
Catg D1 Exception Values: 1,132,200   1,236,412      
Catg F1 Exception Values: 66,009,280   68,281,266      
Catg L1 Exception Values: 49,696,240   50,699,416      
Total Test Values (4): 1,408,821,783   1,471,996,989      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 73,599,849

Confidence Interval Values (5)

State Lower Limit: 1,398,397,140 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,408,821,783 (Within Confidence Interval)
State Upper Limit: 1,545,596,838 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,657,099,791 (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