taxes Property Tax Assistance

2017 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 442,067,439 0.9266 477,085,516 185 2,822 .007597497
A 650,650,306 0.9561 680,525,370 237 3,324 .005552415
A 731,083,620 0.9550 765,532,586 182 3,034 .007827224
A 900,493,466 0.9885 910,969,617 182 2,716 .007081281
F1 54,753,951 0.8925 61,348,965 10 126 .051041786
F1 43,220,970 1.0216 42,307,136 8 38 .008146926
F1 68,191,620 0.9200 74,121,326 7 23 .046356344
F1 51,031,151 0.9538 53,502,989 4 6 .006347109
Random Totals: 2,941,492,523   3,065,393,505 815 12,089  
Catg D1 Exception Values: 4,244,700   3,877,788      
Total Test Values (4): 2,945,737,223   3,069,271,293      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 153,463,564

Confidence Interval Values (5)

State Lower Limit: 2,915,807,729 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,945,737,223 (Within Confidence Interval)
State Upper Limit: 3,222,734,857 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 3,548,631,381 (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, D2, E, 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