taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
047/Comanche
025-904/Blanket ISD

Category Summary

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

Stratum
Variance
D2 483,810 0.8521 567,785 10 46 .185751023
E 4,117,080 0.9753 4,221,347 14 48 .004959620
Random Totals: 4,600,890   4,789,132 24 94  
Catg D1 Exception Values: 1,050,740   1,078,957      
Total Test Values (4): 5,651,630   5,868,089      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 293,404

Confidence Interval Values (5)

State Lower Limit: 5,574,685 (State Test Value minus Margin of Error Percent)
Local Test Value: 5,651,630 (Within Confidence Interval)
State Upper Limit: 6,161,493 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 9,132,786 (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