taxes Property Tax

School and Appraisal Districts Property Value Study 2012 Report

2012 Confidence Interval Detail
121/Jasper
121-902/Brookeland ISD

Category Summary

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

Stratum
Variance
A 28,967,090 0.8549 33,883,600 11 448 .293850652
A 34,231,932 0.8206 41,715,735 12 208 .045666928
A 31,168,874 0.9672 32,225,883 10 113 .038820844
A 34,216,149 0.9091 37,637,388 9 60 .110114621
C 4,894,009 1.0311 4,746,396 11 1,388 .052043780
C 4,908,499 1.0433 4,704,782 10 428 .391573595
C 4,922,696 1.0171 4,839,933 9 93 .016599347
C 2,950,882 1.1558 2,553,108 7 24 .055325312
Random Totals: 146,260,131   162,306,825 79 2,762  
Catg J Exception Values: 5,600,480   5,843,813      
Catg D1 Exception Values: 1,533,182   1,838,182      
Total Test Values (4): 153,393,793   169,988,820      

Margin of Error

Margin of Error Percent: 8.7284634
Margin of Error Value: 14,837,412

Confidence Interval Values (5)

Local Test Value: 153,393,793 (Outside Confidence Interval)
State Lower Limit: 155,151,408 (State Test Value minus Margin of Error Percent)
State Upper Limit: 184,826,232 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 180,013,858 (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