taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 Confidence Interval Detail
196/Refugio
196-901/Austwell-Tivoli ISD

Category Summary

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

Stratum
Variance
G1 23,006,768 0.9955 23,110,766 5 9 .096067050
G1 23,195,425 0.9969 23,267,554 2 3 .000070992
Random Totals: 46,202,193   46,378,320 7 12  
Catg J Exception Values: 15,771,270   16,895,962      
Catg D1 Exception Values: 18,832,300   16,129,556      
Catg G1 Exception Values: 200,398,080   194,275,761      
Total Test Values (4): 281,203,843   273,679,599      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 13,683,979

Confidence Interval Values (5)

State Lower Limit: 259,995,620 (State Test Value minus Margin of Error Percent)
Local Test Value: 281,203,843 (Within Confidence Interval)
State Upper Limit: 287,363,578 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 355,319,812 (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, D3, 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