taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
187/Polk
187-907/Livingston ISD

Category Summary

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

Stratum
Variance
A 180,126,206 0.9099 197,962,640 56 3,892 .051586919
A 173,664,138 0.9081 191,239,002 32 1,730 .033647173
A 175,421,086 0.9219 190,282,120 32 1,019 .031065560
A 213,745,356 0.9186 232,685,996 24 612 .032468790
C 18,411,001 0.9865 18,662,951 40 8,554 .332199213
C 18,395,438 0.8661 21,239,393 15 2,486 .198161329
C 16,593,109 0.9917 16,731,984 10 594 .005189782
C 22,499,063 1.0080 22,320,499 11 147 .008804639
D3 115,058,878 1.0615 108,392,725 21 3,323 .038370141
F1 52,384,690 0.8819 59,399,807 15 306 .099141005
F1 53,059,858 0.9393 56,488,724 15 82 .037137586
F1 47,573,471 0.9294 51,187,294 15 25 .153696582
F1 50,592,531 1.0558 47,918,669 8 10 .025122710
Random Totals: 1,137,524,825   1,214,511,804 294 22,780  
Catg D1 Exception Values: 24,282,429   23,717,083      
Total Test Values (4): 1,161,807,254   1,238,228,887      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 61,911,444

Confidence Interval Values (5)

Local Test Value: 1,161,807,254 (Outside Confidence Interval)
State Lower Limit: 1,176,317,443 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,300,140,331 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,309,685,220 (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