taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
014/Bell
014-907/Rogers ISD

Category Summary

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

Stratum
Variance
A 11,396,787 0.8331 13,679,975 10 274 .084445942
A 12,019,007 0.9538 12,601,182 9 126 .033226929
A 12,272,858 0.9359 13,113,429 9 87 .025987107
A 12,840,108 1.0632 12,076,851 8 57 .002407039
E 81,070,003 0.9581 84,615,388 18 880 .032851573
Random Totals: 129,598,763   136,086,825 54 1,424  
Catg J Exception Values: 800,781   747,171      
Catg D1 Exception Values: 14,315,834   15,603,750      
Total Test Values (4): 144,715,378   152,437,746      

Margin of Error

Margin of Error Percent: 5.1656701
Margin of Error Value: 7,874,431

Confidence Interval Values (5)

State Lower Limit: 144,563,315 (State Test Value minus Margin of Error Percent)
Local Test Value: 144,715,378 (Within Confidence Interval)
State Upper Limit: 160,312,177 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 146,722,122 (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