taxes Property Tax Assistance

2017 Confidence Interval Detail

223/Terry
223-904/Wellman-Union CISD

Category Summary

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

Stratum
Variance
E 8,828,291 0.7977 11,067,182 13 241 .053552644
G1 23,812,018 0.9992 23,831,083 9 36 .000988975
Random Totals: 32,640,309   34,898,265 22 277  
Catg J Exception Values: 3,537,265   4,315,742      
Catg D1 Exception Values: 28,585,404   30,382,846      
Catg G1 Exception Values: 67,903,705   67,104,878      
Total Test Values (4): 132,666,683   136,701,731      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,835,086

Confidence Interval Values (5)

State Lower Limit: 129,866,645 (State Test Value minus Margin of Error Percent)
Local Test Value: 132,666,683 (Within Confidence Interval)
State Upper Limit: 143,536,817 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 181,321,555 (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