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 0.7262 48,788,034 12 500 .282644542
A 40,571,620 0.8992 45,119,684 25 290 .006294913
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 1.0446 3,768,438 9 54 .029161128
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 0.8821 30,412,493 15 410 .012628538
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   258,646,770 132 1,819  
Catg D1 Exception Values: 2,192,720   2,160,957      
Total Test Values (4): 230,953,427   260,807,727      

Margin of Error

Margin of Error Percent: 5.8679151
Margin of Error Value: 15,303,976

Confidence Interval Values (5)

Local Test Value: 230,953,427 (Outside Confidence Interval)
State Lower Limit: 245,503,751 (State Test Value minus Margin of Error Percent)
State Upper Limit: 276,111,703 (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