taxes Property Tax Assistance

2017 Confidence Interval Detail

226/Tom Green
200-902/Miles ISD

Category Summary

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

Stratum
Variance
A 3,293,930 0.9899 3,327,538 8 33 .012495503
A 2,936,140 1.0567 2,778,594 7 18 .001314126
A 2,696,230 1.0733 2,512,094 7 13 .013741264
A 3,631,360 1.1429 3,177,321 5 12 .016593773
E 19,290,940 0.9666 19,957,521 20 158 .030621787
Random Totals: 31,848,600   31,753,068 47 234  
Catg J Exception Values: 1,320,560   1,329,265      
Catg D1 Exception Values: 6,980,270   5,294,975      
Total Test Values (4): 40,149,430   38,377,308      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,918,865

Confidence Interval Values (5)

State Lower Limit: 36,458,443 (State Test Value minus Margin of Error Percent)
Local Test Value: 40,149,430 (Within Confidence Interval)
State Upper Limit: 40,296,173 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 37,250,078 (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