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2009 Confidence Interval Detail
178/Nueces
178-903/Calallen ISD

Category Summary

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

Stratum
Variance
A 175,166,100 0.9533 183,747,089 29 1,882 .022879092
A 170,132,378 0.9832 173,039,441 40 1,363 .012599207
A 196,082,333 0.9550 205,321,815 34 1,168 .019482537
A 192,984,790 0.9460 204,000,835 35 707 .027984789
F1 33,349,277 0.9192 36,280,763 8 105 .030633393
F1 31,688,177 1.0204 31,054,662 7 39 .010299454
F1 38,583,616 0.9253 41,698,493 8 23 .022401141
L1 18,533,267 1.0344 17,916,925 7 232 .062954052
L1 19,334,964 0.8158 23,700,618 7 39 .079041247
L1 20,383,900 0.9106 22,385,131 4 10 .005197149
L1 37,149,947 1.0247 36,254,462 2 3 .000000019
Random Totals: 933,388,749   975,400,234 181 5,571  
Catg D1 Exception Values: 2,998,406   3,146,530      
Catg F1 Exception Values: 27,327,194   30,070,974      
Total Test Values (4): 963,714,349   1,008,617,738      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 50,430,887

Confidence Interval Values (5)

State Lower Limit: 958,186,851 (State Test Value minus Margin of Error Percent)
Local Test Value: 963,714,349 (Within Confidence Interval)
State Upper Limit: 1,059,048,625 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,141,673,804 (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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