taxes Property Tax Assistance

2018 Confidence Interval Detail

128/Karnes
013-903/Pettus ISD

Category Summary

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

Stratum
Variance
E 8,208,177 0.9857 8,327,257 24 200 .106413893
G1 4,475,652 1.0410 4,299,378 6 17 .016357199
Random Totals: 12,683,829   12,626,635 30 217  
Catg D1 Exception Values: 1,547,053   1,474,044      
Catg G1 Exception Values: 1,397,578   1,389,869      
Total Test Values (4): 15,628,460   15,490,548      

Margin of Error

Margin of Error Percent: 7.2688326
Margin of Error Value: 1,125,982

Confidence Interval Values (5)

State Lower Limit: 14,364,566 (State Test Value minus Margin of Error Percent)
Local Test Value: 15,628,460 (Within Confidence Interval)
State Upper Limit: 16,616,530 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 114,372,951 (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