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2008 Confidence Interval Detail
249/Wise
249-904/Chico ISD

Category Summary

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

Stratum
Variance
A 19,701,230 1.0062 19,579,835 8 306 .023837134
A 21,254,600 0.8900 23,881,573 12 184 .068670019
A 20,850,420 1.0118 20,607,254 11 111 .024596801
A 22,332,570 1.0073 22,170,724 8 60 .038431698
C 9,643,060 1.0109 9,539,084 11 263 .030899274
C 11,781,090 1.0653 11,058,941 7 135 .008891385
C 10,137,180 1.1502 8,813,406 6 61 .017937960
C 12,915,840 1.1031 11,708,676 10 57 .029207889
D3 70,510,180 0.9957 70,814,683 25 2,331 .075486082
G1 17,132,629 0.8631 19,850,109 8 135 .038709977
G1 17,065,210 0.9720 17,556,800 6 52 .033564778
G1 17,238,278 1.0027 17,191,860 7 29 .082455150
G1 16,608,450 0.9958 16,678,500 5 8 .007173787
Random Totals: 267,170,737   269,451,445 124 3,732  
Catg J Exception Values: 17,275,020   17,125,909      
Catg D1 Exception Values: 3,603,920   3,462,348      
Total Test Values (4): 288,049,677   290,039,702      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 14,501,985

Confidence Interval Values (5)

State Lower Limit: 275,537,717 (State Test Value minus Margin of Error Percent)
Local Test Value: 288,049,677 (Within Confidence Interval)
State Upper Limit: 304,541,687 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 508,020,116 (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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