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2009 Confidence Interval Detail
173/Motley
173-901/Motley County ISD

Category Summary

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

Stratum
Variance
A 14,415,638 0.9497 15,179,149 20 646 .056326886
D3 6,538,183 0.9509 6,875,784 18 3,000 .008621542
Random Totals: 20,953,821   22,054,933 38 3,646  
Catg J Exception Values: 2,532,354   2,073,836      
Catg D1 Exception Values: 39,410,640   47,884,794      
Total Test Values (4): 62,896,815   72,013,563      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,600,678

Confidence Interval Values (5)

Local Test Value: 62,896,815 (Outside Confidence Interval)
State Lower Limit: 68,412,885 (State Test Value minus Margin of Error Percent)
State Upper Limit: 75,614,241 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 72,097,656 (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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