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2011 Confidence Interval Detail
129/Kaufman
129-910/Scurry-Rosser ISD

Category Summary

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

Stratum
Variance
A 24,794,160 1.1110 22,316,976 7 411 .024782386
A 24,144,150 1.0059 24,002,535 7 220 .026183955
A 24,551,710 0.9716 25,269,360 7 159 .008605873
A 24,338,010 0.9245 26,325,592 7 104 .016838062
D3 46,917,190 1.8364 25,548,459 15 1,720 .223528794
Random Totals: 144,745,220   123,462,922 43 2,614  
Catg D1 Exception Values: 5,340,340   3,320,276      
Total Test Values (4): 150,085,560   126,783,198      

Margin of Error

Margin of Error Percent: 6.3259471
Margin of Error Value: 8,020,238

Confidence Interval Values (5)

State Lower Limit: 118,762,960 (State Test Value minus Margin of Error Percent)
State Upper Limit: 134,803,436 (State Test Value plus Margin of Error Percent)
Local Test Value: 150,085,560 (Outside Confidence Interval)
Value Assigned (6): 154,992,102 (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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