taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
169/Montague
169-909/Prairie Valley ISD

Category Summary

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

Stratum
Variance
A 5,161,470 0.8621 5,987,090 9 116 .014370606
A 6,354,830 0.9113 6,973,368 9 71 .022820109
A 5,162,950 0.9629 5,361,876 8 31 .013667851
A 6,983,360 1.0369 6,734,844 6 22 .003529857
D3 15,919,340 0.9998 15,922,525 23 794 .090525415
G1 26,760,840 0.9933 26,941,347 8 44 .010540480
G1 27,110,390 1.0470 25,893,400 6 13 .016940097
G1 31,053,420 1.0224 30,373,063 2 3 .000650027
Random Totals: 124,506,600   124,187,513 71 1,094  
Catg D1 Exception Values: 4,876,310   4,723,284      
Catg G1 Exception Values: 19,470,130   19,247,681      
Total Test Values (4): 148,853,040   148,158,478      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 7,407,924

Confidence Interval Values (5)

State Lower Limit: 140,750,554 (State Test Value minus Margin of Error Percent)
Local Test Value: 148,853,040 (Within Confidence Interval)
State Upper Limit: 155,566,402 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 162,083,848 (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