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2007 Confidence Interval Detail
153/Lynn
153-903/O'Donnell ISD

Category Summary

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

Stratum
Variance
A 3,407,263 0.9736 3,499,654 10 165 .107455722
A 3,395,135 0.9422 3,603,412 10 83 .044263214
A 3,432,207 0.9738 3,524,550 10 49 .026980790
A 3,309,872 0.9361 3,535,810 8 30 .007944656
D3 5,922,540 0.9518 6,222,463 21 1,299 .039955846
G1 17,878,970 0.9680 18,470,010 15 17 .004735401
Random Totals: 37,345,987   38,855,899 74 1,643  
Catg J Exception Values: 1,178,420   1,183,957      
Catg D1 Exception Values: 27,007,280   32,458,922      
Catg G1 Exception Values: 19,353,930   18,218,032      
Total Test Values (4): 84,885,617   90,716,810      

Margin of Error

Margin of Error Percent: 5.0000006
Margin of Error Value: 4,535,841

Confidence Interval Values (5)

Local Test Value: 84,885,617 (Outside Confidence Interval)
State Lower Limit: 86,180,969 (State Test Value minus Margin of Error Percent)
State Upper Limit: 95,252,651 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 89,560,930 (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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