taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
129/Kaufman
129-902/Forney ISD

Category Summary

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

Stratum
Variance
A 389,561,200 0.9566 407,235,208 99 3,382 .003686785
A 401,089,558 0.9509 421,799,935 86 2,725 .002009248
A 385,387,697 0.9665 398,745,677 78 2,085 .002977768
A 380,157,619 0.9710 391,511,451 74 1,457 .002439252
F1 46,439,144 0.9358 49,625,074 11 113 .029141622
F1 47,798,290 0.9569 49,951,186 11 43 .032693455
F1 55,589,930 0.9535 58,300,923 7 19 .004470045
F1 40,498,730 0.9427 42,960,359 4 6 .007700080
Random Totals: 1,746,522,168   1,820,129,813 370 9,830  
Catg D1 Exception Values: 4,526,720   4,450,513      
Total Test Values (4): 1,751,048,888   1,824,580,326      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 91,229,016

Confidence Interval Values (5)

State Lower Limit: 1,733,351,310 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,751,048,888 (Within Confidence Interval)
State Upper Limit: 1,915,809,342 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,359,884,358 (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