taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
062/Dewitt
062-904/Yorktown ISD

Category Summary

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

Stratum
Variance
G1 560,233,509 1.0318 542,967,154 10 77 .026367666
G1 555,230,183 0.9579 579,632,721 9 37 .029587874
G1 544,365,285 1.0117 538,069,868 7 24 .016173591
G1 551,345,070 1.0136 543,947,386 5 9 .022421159
Random Totals: 2,211,174,047   2,204,617,129 31 147  
Catg D1 Exception Values: 7,840,330   8,040,214      
Total Test Values (4): 2,219,014,377   2,212,657,343      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 110,632,867

Confidence Interval Values (5)

State Lower Limit: 2,102,024,476 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,219,014,377 (Within Confidence Interval)
State Upper Limit: 2,323,290,210 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,629,579,865 (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