taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 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
G1 91,076,484 1.0782 84,470,863 8 39 .011718327
G1 93,408,516 0.9999 93,417,858 5 6 .001651341
G1 83,773,051 1.0547 79,428,322 2 3 .000026954
Random Totals: 268,258,051   257,317,043 15 48  
Catg D1 Exception Values: 24,908,219   14,250,876      
Catg G1 Exception Values: 81,431,981   81,966,623      
Total Test Values (4): 374,598,251   353,534,542      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 17,676,727

Confidence Interval Values (5)

State Lower Limit: 335,857,815 (State Test Value minus Margin of Error Percent)
State Upper Limit: 371,211,269 (State Test Value plus Margin of Error Percent)
Local Test Value: 374,598,251 (Outside Confidence Interval)
Value Assigned (6): 448,472,028 (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