taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
154/Madison
145-906/Normangee ISD

Category Summary

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

Stratum
Variance
A 534,100 0.8580 622,494 6 16 .022898717
A 538,340 1.0290 523,168 5 7 .007391443
A 527,570 1.0201 517,175 3 4 .007983348
A 354,110 1.1277 314,011 2 2 .000177718
D3 29,671,890 1.0575 28,058,525 15 787 .020252326
Random Totals: 31,626,010   30,035,373 31 816  
Catg J Exception Values: 4,419,475   4,750,386      
Catg D1 Exception Values: 2,237,170   2,347,858      
Total Test Values (4): 38,282,655   37,133,617      

Margin of Error

Margin of Error Percent: 5.6541354
Margin of Error Value: 2,099,585

Confidence Interval Values (5)

State Lower Limit: 35,034,032 (State Test Value minus Margin of Error Percent)
Local Test Value: 38,282,655 (Within Confidence Interval)
State Upper Limit: 39,233,202 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 44,494,863 (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