taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
107/Henderson
107-907/Trinidad ISD

Category Summary

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

Stratum
Variance
A 3,669,880 1.0023 3,661,459 9 129 .023775667
A 3,653,350 1.0150 3,599,360 9 77 .006970195
A 3,289,200 0.9168 3,587,696 9 48 .049498504
A 3,543,060 0.9942 3,563,730 8 37 .036879354
D3 2,622,990 0.9525 2,753,795 14 127 .041145866
G1 2,058,510 1.0464 1,967,231 9 21 .036767545
Random Totals: 18,836,990   19,133,271 58 439  
Catg J Exception Values: 17,348,232   18,211,524      
Catg D1 Exception Values: 653,920   552,305      
Total Test Values (4): 36,839,142   37,897,100      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,894,855

Confidence Interval Values (5)

State Lower Limit: 36,002,245 (State Test Value minus Margin of Error Percent)
Local Test Value: 36,839,142 (Within Confidence Interval)
State Upper Limit: 39,791,955 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 45,826,019 (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