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2007 Confidence Interval Detail
142/LaSalle
142-901/Cotulla ISD

Category Summary

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

Stratum
Variance
A 42,697,264 0.9910 43,085,029 20 1,955 .140101291
D3 18,685,645 0.7083 26,380,976 26 4,568 .202328172
G1 53,517,583 1.0478 51,076,143 15 153 .008993912
G1 53,311,026 1.0460 50,966,564 15 72 .006748198
G1 53,125,516 1.1026 48,182,039 14 44 .035523929
G1 53,165,452 1.0750 49,456,234 11 21 .013565640
Random Totals: 274,502,486   269,146,985 101 6,813  
Catg J Exception Values: 17,451,839   17,382,756      
Catg D1 Exception Values: 61,696,198   64,900,214      
Total Test Values (4): 353,650,523   351,429,955      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 17,571,498

Confidence Interval Values (5)

State Lower Limit: 333,858,457 (State Test Value minus Margin of Error Percent)
Local Test Value: 353,650,523 (Within Confidence Interval)
State Upper Limit: 369,001,453 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 423,975,294 (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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