taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
039/Clay
039-905/Midway ISD

Category Summary

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

Stratum
Variance
A 1,626,220 0.9606 1,692,921 8 52 .004246451
A 1,822,270 0.9569 1,904,347 13 29 .006764189
A 1,540,910 1.0072 1,529,895 7 15 .001715999
A 1,733,310 1.0262 1,689,057 6 9 .003429763
D3 26,135,320 1.0055 25,992,362 15 2,192 .022587413
G1 11,066,180 0.9470 11,685,512 9 70 .035887548
G1 11,213,160 0.9812 11,428,007 7 27 .013316699
G1 11,501,960 0.9966 11,541,200 6 16 .019034217
G1 10,212,960 1.0127 10,084,882 4 6 .014515976
Random Totals: 76,852,290   77,548,183 75 2,416  
Catg J Exception Values: 5,074,530   5,156,687      
Catg D1 Exception Values: 11,591,010   12,154,049      
Total Test Values (4): 93,517,830   94,858,919      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 4,742,946

Confidence Interval Values (5)

State Lower Limit: 90,115,973 (State Test Value minus Margin of Error Percent)
Local Test Value: 93,517,830 (Within Confidence Interval)
State Upper Limit: 99,601,865 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 95,747,462 (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