taxes Property Tax Assistance

2017 Confidence Interval Detail

109/Hill
109-914/Penelope ISD

Category Summary

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

Stratum
Variance
A 1,717,440 1.0144 1,693,060 8 56 .024869195
A 1,426,140 1.0653 1,338,721 6 25 .034945503
A 1,958,930 1.0599 1,848,222 7 24 .023594088
A 2,570,630 0.9004 2,854,987 4 17 .018489564
E 15,535,359 1.0162 15,287,698 15 252 .107961610
Random Totals: 23,208,499   23,022,688 40 374  
Catg D1 Exception Values: 5,248,380   6,811,664      
Total Test Values (4): 28,456,879   29,834,352      

Margin of Error

Margin of Error Percent: 8.6994918
Margin of Error Value: 2,595,437

Confidence Interval Values (5)

State Lower Limit: 27,238,915 (State Test Value minus Margin of Error Percent)
Local Test Value: 28,456,879 (Within Confidence Interval)
State Upper Limit: 32,429,789 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 29,630,540 (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