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2009 Confidence Interval Detail
031/Cameron
031-914/Santa Rosa ISD

Category Summary

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

Stratum
Variance
A 10,961,165 0.9527 11,505,369 11 467 .028147960
A 11,051,135 0.9874 11,192,156 12 283 .008553837
A 12,852,692 1.0176 12,630,397 12 216 .008102627
A 10,836,603 0.8980 12,067,487 9 99 .020658584
C 1,712,297 1.0733 1,595,357 7 215 .026386712
C 1,216,146 0.9994 1,216,876 6 75 .000372905
C 1,088,812 0.9271 1,174,428 7 53 .003369913
C 1,447,568 0.9790 1,478,619 7 43 .010231635
D3 14,326,891 0.9838 14,562,808 11 1,010 .001748590
Random Totals: 65,493,309   67,423,497 82 2,461  
Catg J Exception Values: 3,938,353   4,105,520      
Catg D1 Exception Values: 4,082,670   4,048,591      
Total Test Values (4): 73,514,332   75,577,608      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,778,880

Confidence Interval Values (5)

State Lower Limit: 71,798,728 (State Test Value minus Margin of Error Percent)
Local Test Value: 73,514,332 (Within Confidence Interval)
State Upper Limit: 79,356,488 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 68,141,083 (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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