taxes Property Tax

School and Appraisal Districts Property Value Study 2014 Report

2014 Confidence Interval Detail
139/Lamar
139-908/Roxton ISD

Category Summary

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

Stratum
Variance
A 3,428,550 0.8151 4,206,294 15 125 .076286579
A 4,322,950 0.9679 4,466,319 16 83 .014206001
A 4,583,380 0.9226 4,967,895 15 60 .014975437
A 3,968,210 0.9625 4,122,816 15 30 .010384437
E 19,616,580 0.9526 20,592,673 20 376 .040305203
Random Totals: 35,919,670   38,355,997 81 674  
Catg J Exception Values: 13,115,456   14,312,872      
Catg D1 Exception Values: 5,569,310   5,558,297      
Total Test Values (4): 54,604,436   58,227,166      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,911,358

Confidence Interval Values (5)

Local Test Value: 54,604,436 (Outside Confidence Interval)
State Lower Limit: 55,315,808 (State Test Value minus Margin of Error Percent)
State Upper Limit: 61,138,524 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 103,118,638 (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