taxes Property Tax Assistance

2016 Confidence Interval Detail

022/Brewster
022-901/Alpine ISD

Category Summary

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

Stratum
Variance
A 72,544,692 0.8153 88,979,139 19 997 .128604041
A 82,625,678 0.9052 91,278,920 20 618 .016994027
A 86,935,283 0.9593 90,623,666 24 446 .008949495
A 97,394,425 0.9968 97,707,088 17 338 .045075960
E 48,497,826 0.7143 67,895,598 24 6,260 .718222876
F1 16,418,629 0.9713 16,903,767 10 134 .029586913
F1 16,270,380 1.1210 14,514,166 8 51 .019798556
F1 17,698,912 0.8334 21,236,995 7 20 .210927488
F1 13,626,819 0.7998 17,037,783 3 5 .178771842
Random Totals: 452,012,644   506,177,122 132 8,869  
Catg D1 Exception Values: 17,869,581   13,553,161      
Total Test Values (4): 469,882,225   519,730,283      

Margin of Error

Margin of Error Percent: 5.8516452
Margin of Error Value: 30,412,772

Confidence Interval Values (5)

Local Test Value: 469,882,225 (Outside Confidence Interval)
State Lower Limit: 489,317,511 (State Test Value minus Margin of Error Percent)
State Upper Limit: 550,143,055 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 523,531,446 (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