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2009 Confidence Interval Detail
187/Polk
187-906/Leggett ISD

Category Summary

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

Stratum
Variance
A 4,151,230 0.9347 4,441,243 8 191 .041600382
A 4,293,124 0.9560 4,490,715 10 93 .011288804
A 4,271,800 0.9155 4,666,084 7 55 .033062600
A 6,111,520 0.8708 7,018,282 10 41 .016318896
D3 9,276,968 0.9566 9,697,855 21 970 .032184588
G1 61,515,140 1.3305 46,234,604 20 35 .340572095
Random Totals: 89,619,782   76,548,783 76 1,385  
Catg J Exception Values: 5,595,364   5,711,222      
Catg D1 Exception Values: 11,257,595   12,404,088      
Total Test Values (4): 106,472,741   94,664,093      

Margin of Error

Margin of Error Percent: 8.4110033
Margin of Error Value: 7,962,200

Confidence Interval Values (5)

State Lower Limit: 86,701,893 (State Test Value minus Margin of Error Percent)
State Upper Limit: 102,626,293 (State Test Value plus Margin of Error Percent)
Local Test Value: 106,472,741 (Outside Confidence Interval)
Value Assigned (6): 123,259,124 (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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