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2008 Confidence Interval Detail
178/Nueces
178-915/West Oso ISD

Category Summary

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

Stratum
Variance
A 19,709,076 1.0756 18,323,797 9 485 .025103889
A 35,593,154 1.0603 33,568,947 15 618 .089149159
A 41,329,630 1.0390 39,778,277 7 568 .006790640
A 27,450,744 1.0065 27,273,466 8 261 .007189095
F1 26,590,019 0.9637 27,591,594 7 171 .017176717
F1 28,947,874 1.0052 28,798,124 6 61 .002895746
F1 24,208,335 0.9802 24,697,342 5 21 .002229474
F1 38,936,238 1.0127 38,447,949 4 17 .019738046
G1 32,129,442 0.9868 32,559,224 6 45 .003308149
L1 32,573,821 0.9384 34,712,085 7 156 .034095805
L1 19,499,304 1.0084 19,336,874 6 25 .038619081
L1 39,151,905 1.1383 34,395,067 5 21 .040395891
Random Totals: 366,119,542   359,482,746 85 2,449  
Catg D1 Exception Values: 6,896,649   7,408,848      
Catg G1 Exception Values: 8,950,583   8,960,324      
Catg L1 Exception Values: 33,601,888   33,222,700      
Total Test Values (4): 415,568,662   409,074,618      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 20,453,731

Confidence Interval Values (5)

State Lower Limit: 388,620,887 (State Test Value minus Margin of Error Percent)
Local Test Value: 415,568,662 (Within Confidence Interval)
State Upper Limit: 429,528,349 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 490,562,792 (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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