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2008 Confidence Interval Detail
178/Nueces
178-905/Driscoll ISD

Category Summary

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

Stratum
Variance
A 4,070,229 0.9385 4,336,952 8 163 .020409312
A 4,223,158 0.9923 4,255,929 8 107 .049846855
A 4,158,515 0.9254 4,493,749 6 66 .003891959
A 3,345,421 0.9389 3,563,128 6 29 .006322961
D3 1,773,579 1.1359 1,561,387 11 303 .021637109
G1 14,745,037 1.0176 14,490,013 15 66 .002275213
G1 14,546,346 1.0138 14,348,339 11 27 .000489744
G1 14,341,803 1.0048 14,273,291 7 14 .000108366
G1 13,982,855 1.0150 13,776,212 5 9 .000780096
Random Totals: 75,186,943   75,099,000 77 784  
Catg J Exception Values: 5,284,177   5,321,458      
Catg D1 Exception Values: 9,527,478   10,236,322      
Total Test Values (4): 89,998,598   90,656,780      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,532,839

Confidence Interval Values (5)

State Lower Limit: 86,123,941 (State Test Value minus Margin of Error Percent)
Local Test Value: 89,998,598 (Within Confidence Interval)
State Upper Limit: 95,189,619 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 147,270,352 (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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