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2006 Confidence Interval Detail
187/Polk
187-904/Corrigan-Camden ISD

Category Summary

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

Stratum
Variance
A 13,772,642 0.9384 14,676,728 10 553 .022758344
A 13,809,412 0.9727 14,196,990 10 287 .011412966
A 13,813,514 0.9652 14,311,556 25 165 .015990694
A 13,691,492 1.0899 12,562,154 17 87 .009982395
C 1,474,539 1.1094 1,329,132 10 1,157 .115725504
C 1,556,642 1.0366 1,501,680 12 567 .049268116
C 1,062,400 1.0377 1,023,803 10 240 .011785780
C 1,363,149 1.0070 1,353,673 10 190 .001324994
D3 18,740,990 1.0904 17,187,262 20 2,209 .123721101
Random Totals: 79,284,780   78,142,978 124 5,455  
Catg J Exception Values: 18,677,914   19,169,993      
Catg D1 Exception Values: 28,106,491   26,735,084      
Catg G1 Exception Values: 13,210,820   13,588,339      
Total Test Values (4): 139,280,005   137,636,394      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 6,881,820

Confidence Interval Values (5)

State Lower Limit: 130,754,574 (State Test Value minus Margin of Error Percent)
Local Test Value: 139,280,005 (Within Confidence Interval)
State Upper Limit: 144,518,214 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 209,021,600 (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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