taxes Property Tax Assistance

2017 Confidence Interval Detail

129/Kaufman
129-905/Mabank ISD

Category Summary

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

Stratum
Variance
A 35,429,870 0.7003 50,592,418 14 500 .209531027
A 40,571,620 0.8807 46,067,469 25 290 .022446589
A 42,466,080 0.9747 43,568,359 12 188 .007840503
A 46,813,771 0.9577 48,881,457 10 87 .005554516
C1 3,308,233 0.8797 3,760,638 10 173 .071408069
C1 3,936,510 0.8053 4,888,253 10 54 .533489269
C1 7,387,120 0.7743 9,540,385 14 36 .183115154
C1 498,550 0.9977 499,699 2 2 .000009346
E 26,826,860 0.8769 30,592,838 15 410 .013768722
F1 5,467,673 0.8095 6,754,383 9 44 .035274776
F1 5,886,200 0.9569 6,151,322 6 20 .006179956
F1 5,088,200 0.9114 5,582,840 5 11 .004407176
F1 5,080,020 0.8730 5,819,038 3 4 .149157198
Random Totals: 228,760,707   262,699,099 135 1,819  
Catg D1 Exception Values: 2,192,720   2,160,649      
Total Test Values (4): 230,953,427   264,859,748      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 13,242,987

Confidence Interval Values (5)

Local Test Value: 230,953,427 (Outside Confidence Interval)
State Lower Limit: 251,616,761 (State Test Value minus Margin of Error Percent)
State Upper Limit: 278,102,735 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 256,212,085 (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