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2010 Confidence Interval Detail
179/Ochiltree
098-904/Spearman ISD

Category Summary

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

Stratum
Variance
G1 12,745,750 1.0059 12,670,991 8 56 .096297375
G1 12,872,220 0.9957 12,927,810 7 24 .129308719
G1 12,512,770 1.1677 10,715,740 5 12 .033177661
G1 12,647,160 1.0321 12,253,813 3 5 .001391607
Random Totals: 50,777,900   48,568,354 23 97  
Catg J Exception Values: 400   503,458      
Catg D1 Exception Values: 10,922,492   11,687,093      
Total Test Values (4): 61,700,792   60,758,905      

Margin of Error

Margin of Error Percent: 7.1457279
Margin of Error Value: 4,341,666

Confidence Interval Values (5)

State Lower Limit: 56,417,239 (State Test Value minus Margin of Error Percent)
Local Test Value: 61,700,792 (Within Confidence Interval)
State Upper Limit: 65,100,571 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 90,775,831 (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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