taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
072/Erath
072-902/Dublin ISD

Category Summary

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

Stratum
Variance
A 18,865,720 0.9954 18,952,903 15 544 .104855851
A 18,836,090 0.9154 20,576,895 10 311 .020518753
A 18,765,960 0.9737 19,272,836 13 211 .013011898
A 20,507,200 0.9691 21,161,077 13 145 .004163611
E 104,186,230 0.9474 109,970,688 17 1,061 .028861485
F1 5,356,150 0.9039 5,925,600 10 90 .093471149
F1 4,984,840 0.8804 5,662,017 8 31 .010947059
F1 6,043,990 0.9662 6,255,423 6 18 .013734868
F1 5,249,460 0.8791 5,971,403 4 7 .010272274
Random Totals: 202,795,640   213,748,842 96 2,418  
Catg D1 Exception Values: 15,807,120   12,680,764      
Total Test Values (4): 218,602,760   226,429,606      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 11,321,480

Confidence Interval Values (5)

State Lower Limit: 215,108,126 (State Test Value minus Margin of Error Percent)
Local Test Value: 218,602,760 (Within Confidence Interval)
State Upper Limit: 237,751,086 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 250,007,255 (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