taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 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 406,519,081 0.9250 439,480,088 88 3,284 .005668161
A 463,837,809 0.9344 496,401,765 88 2,946 .005652966
A 462,779,992 0.9413 491,639,214 88 2,386 .010891673
A 537,887,752 0.9588 561,000,993 92 1,995 .005407985
F1 51,605,671 0.9873 52,269,494 10 125 .001607749
F1 51,156,780 0.9173 55,768,865 8 45 .036793883
F1 50,969,330 0.9345 54,541,819 6 16 .007815299
F1 47,170,120 0.9851 47,883,585 5 7 .000181957
Random Totals: 2,071,926,535   2,198,985,823 385 10,804  
Catg D1 Exception Values: 4,374,240   4,421,139      
Total Test Values (4): 2,076,300,775   2,203,406,962      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 110,170,348

Confidence Interval Values (5)

Local Test Value: 2,076,300,775 (Outside Confidence Interval)
State Lower Limit: 2,093,236,614 (State Test Value minus Margin of Error Percent)
State Upper Limit: 2,313,577,310 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,613,753,957 (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