taxes Property Tax

School and Appraisal Districts Property Value Study 2015 Report

2015 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 1,464,759 0.9875 1,483,300 9 72 .022312726
A 1,534,128 1.0289 1,491,037 8 37 .011786408
A 1,509,407 0.8658 1,743,367 7 24 .020562183
A 1,487,747 0.9334 1,593,901 6 15 .022589297
E 4,058,951 0.9386 4,324,474 10 103 .006692585
G1 2,164,695 1.0353 2,090,887 7 21 .002782000
Random Totals: 12,219,687   12,726,966 47 272  
Catg J Exception Values: 3,434,944   3,765,870      
Catg D1 Exception Values: 2,372,330   2,323,508      
Total Test Values (4): 18,026,961   18,816,344      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 940,817

Confidence Interval Values (5)

State Lower Limit: 17,875,527 (State Test Value minus Margin of Error Percent)
Local Test Value: 18,026,961 (Within Confidence Interval)
State Upper Limit: 19,757,161 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 38,412,437 (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