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2008 Confidence Interval Detail
025/Brown
025-908/Brookesmith ISD

Category Summary

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

Stratum
Variance
A 711,630 1.0005 711,274 8 30 .003639038
A 594,760 0.9699 613,218 6 13 .000619357
A 798,540 0.9585 833,114 6 11 .003791681
A 543,130 0.8882 611,495 3 5 .007457966
D3 28,343,040 0.8621 32,876,743 36 1,462 .033762310
Random Totals: 30,991,100   35,645,844 59 1,521  
Catg J Exception Values: 5,025,590   4,960,610      
Catg D1 Exception Values: 6,824,547   6,483,798      
Total Test Values (4): 42,841,237   47,090,252      

Margin of Error

Margin of Error Percent: 5.0000008
Margin of Error Value: 2,354,513

Confidence Interval Values (5)

Local Test Value: 42,841,237 (Outside Confidence Interval)
State Lower Limit: 44,735,739 (State Test Value minus Margin of Error Percent)
State Upper Limit: 49,444,765 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 45,639,121 (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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