taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
040/Cochran
040-902/Whiteface-Bledsoe CISD

Category Summary

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

Stratum
Variance
E 4,104,063 0.9266 4,429,164 17 359 .022227962
G1 166,902,258 0.9570 174,401,524 9 47 .035564515
G1 161,698,014 1.0184 158,776,526 4 7 .002840833
Random Totals: 332,704,335   337,607,214 30 413  
Catg D1 Exception Values: 25,180,823   20,067,419      
Catg G1 Exception Values: 320,757,936   322,705,428      
Total Test Values (4): 678,643,094   680,380,061      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 34,019,003

Confidence Interval Values (5)

State Lower Limit: 646,361,058 (State Test Value minus Margin of Error Percent)
Local Test Value: 678,643,094 (Within Confidence Interval)
State Upper Limit: 714,399,064 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 770,793,335 (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