taxes Property Tax Assistance

2017 Confidence Interval Detail

073/Falls
073-904/Westphalia ISD

Category Summary

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

Stratum
Variance
A 2,378,520 1.0023 2,373,062 21 53 .041197594
E 12,454,410 0.9100 13,686,165 15 162 .073281922
Random Totals: 14,832,930   16,059,227 36 215  
Catg J Exception Values: 80,960   109,697      
Catg D1 Exception Values: 2,354,825   2,543,934      
Total Test Values (4): 17,268,715   18,712,858      

Margin of Error

Margin of Error Percent: 9.9247159
Margin of Error Value: 1,857,198

Confidence Interval Values (5)

State Lower Limit: 16,855,660 (State Test Value minus Margin of Error Percent)
Local Test Value: 17,268,715 (Within Confidence Interval)
State Upper Limit: 20,570,056 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 17,972,784 (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