taxes Property Tax Assistance

2017 Confidence Interval Detail

047/Comanche
025-904/Blanket ISD

Category Summary

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

Stratum
Variance
D2 405,110 0.9528 425,178 11 45 .009524331
E 5,009,540 0.9471 5,289,346 11 53 .040322170
Random Totals: 5,414,650   5,714,524 22 98  
Catg D1 Exception Values: 958,620   1,042,890      
Total Test Values (4): 6,373,270   6,757,414      

Margin of Error

Margin of Error Percent: 8.8027165
Margin of Error Value: 594,836

Confidence Interval Values (5)

State Lower Limit: 6,162,578 (State Test Value minus Margin of Error Percent)
Local Test Value: 6,373,270 (Within Confidence Interval)
State Upper Limit: 7,352,250 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 18,195,086 (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