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2007 Confidence Interval Detail
126/Johnson
126-907/Rio Vista ISD

Category Summary

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

Stratum
Variance
A 16,048,137 0.9752 16,456,252 14 314 .049356173
A 16,099,719 0.9632 16,714,825 18 186 .017605120
A 16,007,742 0.9503 16,844,935 18 130 .027918371
A 15,995,042 0.9978 16,030,309 17 77 .022140564
C 6,944,876 0.9244 7,512,847 8 327 .083645249
C 6,281,567 0.8518 7,374,462 18 194 .043785899
C 6,938,433 0.9972 6,957,915 12 160 .007823527
C 6,274,917 1.0938 5,736,805 9 93 .069258382
D3 49,134,270 0.8818 55,720,424 21 1,409 .021176772
Random Totals: 139,724,703   149,348,774 135 2,890  
Catg J Exception Values: 4,870,067   5,000,329      
Catg D1 Exception Values: 3,820,839   3,242,737      
Catg G1 Exception Values: 30,432,022   28,367,886      
Total Test Values (4): 178,847,631   185,959,726      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 9,297,986

Confidence Interval Values (5)

State Lower Limit: 176,661,740 (State Test Value minus Margin of Error Percent)
Local Test Value: 178,847,631 (Within Confidence Interval)
State Upper Limit: 195,257,712 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 188,687,501 (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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