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2008 Confidence Interval Detail
025/Brown
025-904/Blanket ISD

Category Summary

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

Stratum
Variance
A 1,719,810 0.9838 1,748,130 14 82 .006117781
A 1,536,690 0.9501 1,617,398 13 38 .005133649
A 1,719,050 0.9198 1,868,939 14 30 .027550423
A 2,037,420 0.9598 2,122,755 11 21 .002217759
D3 20,105,233 0.9512 21,136,704 32 984 .024978050
L1 576,560 0.9835 586,233 9 29 .002692255
Random Totals: 27,694,763   29,080,159 93 1,184  
Catg J Exception Values: 2,719,090   2,692,863      
Catg D1 Exception Values: 3,126,082   2,988,068      
Total Test Values (4): 33,539,935   34,761,090      

Margin of Error

Margin of Error Percent: 5.0000014
Margin of Error Value: 1,738,055

Confidence Interval Values (5)

State Lower Limit: 33,023,035 (State Test Value minus Margin of Error Percent)
Local Test Value: 33,539,935 (Within Confidence Interval)
State Upper Limit: 36,499,145 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 28,846,929 (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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