taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
038/Childress
044-902/Wellington ISD

Category Summary

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

Stratum
Variance
E 1,577,003 0.8695 1,813,689 11 34 .072643016
Random Totals: 1,577,003   1,813,689 11 34  
Catg J Exception Values: 524,706   501,082      
Catg D1 Exception Values: 9,839,721   7,404,000      
Total Test Values (4): 11,941,430   9,718,771      

Margin of Error

Margin of Error Percent: 5.0000046
Margin of Error Value: 485,939

Confidence Interval Values (5)

State Lower Limit: 9,232,832 (State Test Value minus Margin of Error Percent)
State Upper Limit: 10,204,710 (State Test Value plus Margin of Error Percent)
Local Test Value: 11,941,430 (Outside Confidence Interval)
Value Assigned (6): 20,098,132 (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