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2010 Confidence Interval Detail
054/Crosby
054-902/Lorenzo ISD

Category Summary

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

Stratum
Variance
A 5,144,550 0.9998 5,145,579 9 178 .019136751
A 5,543,590 0.9230 6,006,056 9 112 .035588110
A 5,109,200 1.0365 4,929,281 10 64 .007578231
A 6,057,200 1.0023 6,043,300 8 46 .003685002
D3 4,654,790 1.0466 4,447,535 15 910 .021915457
G1 34,267,815 1.0792 31,752,979 7 24 .002431940
Random Totals: 60,777,145   58,324,730 58 1,334  
Catg J Exception Values: 888,210   807,333      
Catg D1 Exception Values: 23,393,670   26,171,540      
Catg G1 Exception Values: 27,340,000   28,469,062      
Total Test Values (4): 112,399,025   113,772,665      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,688,633

Confidence Interval Values (5)

State Lower Limit: 108,084,032 (State Test Value minus Margin of Error Percent)
Local Test Value: 112,399,025 (Within Confidence Interval)
State Upper Limit: 119,461,298 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 123,174,299 (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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