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2007 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 19,769,021 1.0900 18,136,717 8 289 .004568976
A 19,687,959 1.0396 18,938,014 9 162 .001538058
A 19,601,611 0.9927 19,745,755 9 102 .006855557
A 19,659,064 0.9719 20,227,455 10 53 .022183770
C 10,273,593 0.8637 11,894,863 7 289 .045511394
C 10,378,371 0.8591 12,080,516 10 117 .082276887
C 10,251,003 0.8796 11,654,164 7 45 .019398573
C 10,167,803 1.0846 9,374,703 10 27 .024144740
D3 68,355,710 0.9967 68,582,031 32 2,299 .012651954
G1 13,656,981 1.0564 12,927,850 7 128 .039612572
G1 13,619,250 0.9149 14,886,053 6 50 .012879119
G1 13,170,741 0.9833 13,394,428 6 30 .026560254
G1 13,432,040 0.9915 13,547,191 5 17 .017730311
Random Totals: 242,023,147   245,389,740 126 3,608  
Catg J Exception Values: 16,257,770   16,382,118      
Catg D1 Exception Values: 3,598,920   3,256,811      
Total Test Values (4): 261,879,837   265,028,669      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 13,251,433

Confidence Interval Values (5)

State Lower Limit: 251,777,236 (State Test Value minus Margin of Error Percent)
Local Test Value: 261,879,837 (Within Confidence Interval)
State Upper Limit: 278,280,102 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 455,726,490 (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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