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2011 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 19,682,535 1.1098 17,735,209 10 355 .022564327
A 20,296,810 1.0013 20,270,458 8 214 .007152184
A 21,094,140 1.0210 20,660,274 9 150 .001225671
A 18,943,279 0.9794 19,341,718 7 72 .013652279
C 15,083,237 1.0037 15,027,635 16 513 .060952007
C 3,876,723 1.0781 3,595,884 7 99 .014239911
C 7,630,578 1.1128 6,857,097 7 151 .028740759
C 8,055,620 0.9671 8,329,666 7 113 .000916107
D3 62,048,663 0.7806 79,488,423 15 1,440 .170242880
G1 6,051,823 0.9881 6,124,707 8 27 .007502820
G1 5,737,535 0.9799 5,855,225 5 10 .030725262
G1 6,045,726 1.0097 5,987,646 4 8 .001679927
G1 5,511,228 0.9933 5,548,402 3 5 .001327331
Random Totals: 200,057,897   214,822,344 106 3,157  
Catg J Exception Values: 4,931,103   5,172,751      
Catg D1 Exception Values: 3,696,621   2,610,715      
Total Test Values (4): 208,685,621   222,605,810      

Margin of Error

Margin of Error Percent: 7.6665443
Margin of Error Value: 17,066,173

Confidence Interval Values (5)

State Lower Limit: 205,539,637 (State Test Value minus Margin of Error Percent)
Local Test Value: 208,685,621 (Within Confidence Interval)
State Upper Limit: 239,671,983 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 271,428,193 (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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