taxes Property Tax Assistance

2017 Confidence Interval Detail

126/Johnson
126-911/Godley ISD

Category Summary

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

Stratum
Variance
A 33,802,067 0.8336 40,549,505 9 712 .103158977
A 39,774,758 0.9207 43,200,563 11 475 .014739312
A 44,052,153 0.9673 45,541,355 18 265 .006706785
A 66,604,105 0.9955 66,905,178 48 225 .001066559
E 99,153,453 1.0017 98,985,178 21 1,021 .024943014
G1 12,147,202 1.1074 10,969,119 15 268 .066019000
G1 12,208,826 1.1949 10,217,446 15 54 .128322600
G1 12,177,468 1.0293 11,830,825 14 27 .007766857
G1 11,677,069 1.0428 11,197,803 10 14 .004588960
Random Totals: 331,597,101   339,396,972 161 3,061  
Catg J Exception Values: 406,209   379,757      
Catg D1 Exception Values: 6,526,277   3,948,999      
Total Test Values (4): 338,529,587   343,725,728      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 17,186,286

Confidence Interval Values (5)

State Lower Limit: 326,539,442 (State Test Value minus Margin of Error Percent)
Local Test Value: 338,529,587 (Within Confidence Interval)
State Upper Limit: 360,912,014 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 652,728,145 (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