taxes Property Tax

School and Appraisal Districts Property Value Study 2013 Report

2013 Confidence Interval Detail
014/Bell
014-902/Bartlett ISD

Category Summary

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

Stratum
Variance
A 2,851,501 0.8306 3,433,062 9 84 .042235177
A 3,199,865 0.9733 3,287,645 9 56 .023797666
A 3,218,203 1.0142 3,173,144 9 38 .008046280
A 3,192,523 0.9913 3,220,542 7 25 .001185484
E 11,021,968 1.0063 10,952,964 16 173 .037245734
F1 1,728,285 0.8766 1,971,578 8 48 .082198682
Random Totals: 25,212,345   26,038,935 58 424  
Catg J Exception Values: 1,837,665   1,780,641      
Catg D1 Exception Values: 6,144,810   6,710,882      
Catg F1 Exception Values: 789,871   782,058      
Total Test Values (4): 33,984,691   35,312,516      

Margin of Error

Margin of Error Percent: 5.0000006
Margin of Error Value: 1,765,626

Confidence Interval Values (5)

State Lower Limit: 33,546,890 (State Test Value minus Margin of Error Percent)
Local Test Value: 33,984,691 (Within Confidence Interval)
State Upper Limit: 37,078,142 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 39,252,154 (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