taxes Property Tax Assistance

2018 Confidence Interval Detail

248/Winkler
248-902/Wink-Loving ISD

Category Summary

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

Stratum
Variance
G1 88,695,307 1.0117 87,669,573 15 83 .000817749
G1 92,092,496 1.0098 91,198,748 15 24 .001121332
G1 87,067,279 1.0111 86,111,442 8 10 .000460367
Random Totals: 267,855,082   264,979,763 38 117  
Catg J Exception Values: 28,300,350   31,209,459      
Catg D1 Exception Values: 698,024   731,427      
Catg G1 Exception Values: 83,183,108   79,928,001      
Total Test Values (4): 380,036,564   376,848,650      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 18,842,432

Confidence Interval Values (5)

State Lower Limit: 358,006,218 (State Test Value minus Margin of Error Percent)
Local Test Value: 380,036,564 (Within Confidence Interval)
State Upper Limit: 395,691,082 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 771,776,248 (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