taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
107/Henderson
107-906/Malakoff ISD

Category Summary

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

Stratum
Variance
A 228,329,770 1.0074 226,652,541 19 2,047 .048313667
A 230,949,470 1.0183 226,799,047 10 881 .022455572
A 229,707,430 0.8993 255,429,145 10 551 .082440797
A 237,715,810 0.8804 270,008,871 10 296 .092000378
C 14,480,920 1.0355 13,984,471 10 2,375 .325171515
C 14,571,050 0.8153 17,872,010 10 279 .058285378
C 14,212,150 0.9535 14,905,244 9 124 .026245733
C 15,001,530 1.1273 13,307,487 8 58 .064601444
Random Totals: 984,968,130   1,038,958,816 86 6,611  
Catg D1 Exception Values: 4,194,610   3,961,982      
Total Test Values (4): 989,162,740   1,042,920,798      

Margin of Error

Margin of Error Percent: 7.2149695
Margin of Error Value: 75,246,417

Confidence Interval Values (5)

State Lower Limit: 967,674,381 (State Test Value minus Margin of Error Percent)
Local Test Value: 989,162,740 (Within Confidence Interval)
State Upper Limit: 1,118,167,215 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,030,492,235 (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