taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 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 2,250,270 1.0293 2,186,214 10 27 .004959470
A 2,611,740 0.9706 2,690,851 9 20 .008496076
A 2,238,680 0.9766 2,292,320 9 13 .003341293
D2 1,558,500 0.9933 1,569,012 7 87 .002652691
E 17,811,900 1.0344 17,219,548 12 162 .014515251
Random Totals: 26,471,090   25,957,945 47 309  
Catg J Exception Values: 374,520   355,525      
Catg D1 Exception Values: 6,878,130   5,879,528      
Catg A Exception Values: 2,567,340   2,447,279      
Total Test Values (4): 36,291,080   34,640,277      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,732,013

Confidence Interval Values (5)

State Lower Limit: 32,908,264 (State Test Value minus Margin of Error Percent)
Local Test Value: 36,291,080 (Within Confidence Interval)
State Upper Limit: 36,372,290 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 33,783,503 (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