taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
184/Parker
184-909/Brock ISD

Category Summary

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

Stratum
Variance
A 50,961,840 0.9684 52,624,783 11 370 .004248561
A 40,033,330 0.9358 42,779,793 10 192 .008171092
A 49,096,810 0.9657 50,840,644 12 168 .010146686
A 45,784,180 0.9733 47,040,152 9 107 .005132775
E 123,935,860 0.9600 129,099,854 15 838 .023954297
F1 9,320,150 0.9233 10,094,390 9 24 .022666611
F1 6,110,870 0.9450 6,466,529 7 8 .028235613
F1 6,950,650 1.3971 4,975,055 5 6 .500258760
Random Totals: 332,193,690   343,921,200 78 1,713  
Catg J Exception Values: 944,480   754,599      
Catg D1 Exception Values: 4,368,470   3,340,576      
Catg F1 Exception Values: 9,162,790   9,172,557      
Total Test Values (4): 346,669,430   357,188,932      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 17,859,447

Confidence Interval Values (5)

State Lower Limit: 339,329,485 (State Test Value minus Margin of Error Percent)
Local Test Value: 346,669,430 (Within Confidence Interval)
State Upper Limit: 375,048,379 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 445,969,460 (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