taxes Property Tax Assistance

2017 Confidence Interval Detail

239/Washington
239-903/Burton ISD

Category Summary

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

Stratum
Variance
A 17,810,983 1.0698 16,648,890 13 280 .026015850
A 17,942,382 0.9976 17,985,547 11 154 .045721885
A 21,407,160 1.0744 19,924,758 10 130 .022279982
A 22,766,480 1.0158 22,412,365 9 80 .021875285
E 253,383,286 0.9169 276,347,787 22 1,458 .031536255
G1 13,985,176 0.9763 14,324,671 8 47 .009009796
G1 14,031,990 0.9791 14,331,519 6 15 .014684391
G1 14,929,040 1.0058 14,842,951 4 6 .007298865
Random Totals: 376,256,497   396,818,488 83 2,170  
Catg J Exception Values: 2,273,330   2,653,717      
Catg D1 Exception Values: 7,354,810   6,786,161      
Catg G1 Exception Values: 10,931,240   11,167,323      
Total Test Values (4): 396,815,877   417,425,689      

Margin of Error

Margin of Error Percent: 5.0481388
Margin of Error Value: 21,072,228

Confidence Interval Values (5)

State Lower Limit: 396,353,461 (State Test Value minus Margin of Error Percent)
Local Test Value: 396,815,877 (Within Confidence Interval)
State Upper Limit: 438,497,917 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 417,623,896 (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