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2009 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
D3 2,590,310 0.9472 2,734,702 14 353 .008841442
G1 10,446,340 0.9994 10,452,612 17 57 .027879449
G1 10,286,080 1.0325 9,962,305 12 23 .012318695
G1 10,546,840 0.9635 10,946,383 8 12 .004660681
Random Totals: 33,869,570   34,096,002 51 445  
Catg J Exception Values: 410   316      
Catg D1 Exception Values: 8,226,005   9,355,232      
Catg G1 Exception Values: 11,458,922   9,808,154      
Total Test Values (4): 53,554,907   53,259,704      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,662,985

Confidence Interval Values (5)

State Lower Limit: 50,596,719 (State Test Value minus Margin of Error Percent)
Local Test Value: 53,554,907 (Within Confidence Interval)
State Upper Limit: 55,922,689 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 76,347,695 (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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