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2007 Confidence Interval Detail
125/Jim Wells
125-902/Ben Bolt-Palito Blanco IS

Category Summary

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

Stratum
Variance
A 1,198,367 0.9822 1,220,085 6 67 .006043627
A 1,182,814 1.0611 1,114,705 6 31 .005846337
A 1,225,601 0.9500 1,290,106 5 19 .010288610
A 1,092,046 0.9300 1,174,243 9 10 .018022990
D3 26,862,421 0.7929 33,878,700 29 1,887 .095671023
G1 2,892,461 1.0389 2,784,157 18 22 .017511870
Random Totals: 34,453,710   41,461,996 73 2,036  
Catg J Exception Values: 2,320,455   2,198,202      
Catg D1 Exception Values: 9,024,316   9,821,201      
Catg G1 Exception Values: 3,805,458   3,644,521      
Total Test Values (4): 49,603,939   57,125,920      

Margin of Error

Margin of Error Percent: 6.7491675
Margin of Error Value: 3,855,524

Confidence Interval Values (5)

Local Test Value: 49,603,939 (Outside Confidence Interval)
State Lower Limit: 53,270,396 (State Test Value minus Margin of Error Percent)
State Upper Limit: 60,981,444 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 53,620,464 (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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