taxes Property Tax Assistance

2017 Confidence Interval Detail

250/Wood
250-906/Alba-Golden ISD

Category Summary

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

Stratum
Variance
A 28,676,110 0.9996 28,687,585 12 404 .076970159
A 28,458,611 0.9080 31,342,083 8 209 .020409794
A 30,968,190 0.9192 33,690,372 13 159 .028915464
A 31,801,140 0.9535 33,352,008 5 102 .009715503
E 138,374,686 0.9655 143,319,198 31 1,933 .045532505
Random Totals: 258,278,737   270,391,246 69 2,807  
Catg D1 Exception Values: 4,851,489   5,177,312      
Total Test Values (4): 263,130,226   275,568,558      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 13,778,427

Confidence Interval Values (5)

State Lower Limit: 261,790,131 (State Test Value minus Margin of Error Percent)
Local Test Value: 263,130,226 (Within Confidence Interval)
State Upper Limit: 289,346,985 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 238,728,117 (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