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2007 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
D3 5,024,787 0.9222 5,448,696 21 2,964 .006918990
G1 1,974,121 0.8456 2,334,580 11 20 .256924064
Random Totals: 6,998,908   7,783,276 32 2,984  
Catg J Exception Values: 4,102,478   3,856,160      
Catg D1 Exception Values: 36,629,689   38,134,656      
Catg G1 Exception Values: 1,776,794   1,489,087      
Total Test Values (4): 49,507,869   51,263,179      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 2,563,159

Confidence Interval Values (5)

State Lower Limit: 48,700,020 (State Test Value minus Margin of Error Percent)
Local Test Value: 49,507,869 (Within Confidence Interval)
State Upper Limit: 53,826,338 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 70,348,106 (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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