taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
107/Henderson
107-908/Murchison ISD

Category Summary

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

Stratum
Variance
A 4,063,280 0.9143 4,444,143 9 86 .049826786
A 3,933,050 1.0757 3,656,270 8 52 .072757986
A 3,737,710 0.8840 4,228,179 8 38 .024320446
A 6,169,140 1.0299 5,990,038 7 35 .011705792
D3 8,432,020 1.0427 8,086,717 14 280 .096867255
G1 4,853,700 1.0351 4,689,112 5 12 .045917615
Random Totals: 31,188,900   31,094,459 51 503  
Catg J Exception Values: 2,086,370   2,005,584      
Catg D1 Exception Values: 614,820   532,016      
Catg G1 Exception Values: 2,825,840   2,957,161      
Total Test Values (4): 36,715,930   36,589,220      

Margin of Error

Margin of Error Percent: 5.0324850
Margin of Error Value: 1,841,347

Confidence Interval Values (5)

State Lower Limit: 34,747,873 (State Test Value minus Margin of Error Percent)
Local Test Value: 36,715,930 (Within Confidence Interval)
State Upper Limit: 38,430,567 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 39,068,686 (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