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2008 Confidence Interval Detail
210/Shelby
210-903/Shelbyville ISD

Category Summary

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

Stratum
Variance
A 6,087,692 0.8975 6,782,944 8 231 .105764859
A 5,454,560 0.8752 6,232,358 7 113 .026050484
A 5,879,240 1.1289 5,207,937 8 84 .009872124
A 6,002,939 1.1001 5,456,721 9 50 .005318276
D3 53,314,440 0.9215 57,856,148 27 3,310 .132765486
G1 32,278,941 0.9300 34,708,539 10 46 .055598196
G1 31,527,929 1.0200 30,909,734 7 21 .000767882
G1 31,170,472 1.0028 31,083,438 5 12 .001298092
G1 30,789,623 1.0329 29,808,910 4 7 .002088242
Random Totals: 202,505,836   208,046,729 85 3,874  
Catg J Exception Values: 2,480,565   2,524,488      
Catg D1 Exception Values: 15,183,960   15,591,720      
Total Test Values (4): 220,170,361   226,162,937      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 11,308,147

Confidence Interval Values (5)

State Lower Limit: 214,854,790 (State Test Value minus Margin of Error Percent)
Local Test Value: 220,170,361 (Within Confidence Interval)
State Upper Limit: 237,471,084 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 240,958,633 (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

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