taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
221/Taylor
221-905/Trent ISD

Category Summary

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

Stratum
Variance
A 1,340,633 0.9381 1,429,094 11 67 .026210833
A 1,348,966 0.9668 1,395,290 9 34 .000770481
A 1,415,099 0.9627 1,469,927 7 24 .004204264
A 1,538,380 0.9887 1,555,962 8 16 .000413866
E 3,415,088 0.9578 3,565,554 14 95 .009950747
G1 2,553,875 0.9979 2,559,249 7 19 .010940668
Random Totals: 11,612,041   11,975,076 56 255  
Catg J Exception Values: 3,134,628   3,282,502      
Catg D1 Exception Values: 2,353,795   2,367,079      
Catg G1 Exception Values: 2,160,914   2,165,327      
Total Test Values (4): 19,261,378   19,789,984      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 989,499

Confidence Interval Values (5)

State Lower Limit: 18,800,485 (State Test Value minus Margin of Error Percent)
Local Test Value: 19,261,378 (Within Confidence Interval)
State Upper Limit: 20,779,483 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 20,670,488 (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