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2010 Confidence Interval Detail
054/Crosby
054-901/Crosbyton CISD

Category Summary

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

Stratum
Variance
A 8,768,040 0.9967 8,797,070 15 368 .049582334
A 11,308,590 0.9967 11,346,032 15 253 .053331196
A 10,411,140 0.9925 10,489,814 15 135 .001117269
A 8,828,410 0.9274 9,519,528 15 64 .011002020
D3 7,222,300 1.0136 7,125,395 20 1,624 .001736171
Random Totals: 46,538,480   47,277,839 80 2,444  
Catg J Exception Values: 1,156,740   1,090,986      
Catg D1 Exception Values: 27,917,170   33,482,508      
Total Test Values (4): 75,612,390   81,851,333      

Margin of Error

Margin of Error Percent: 5.0000004
Margin of Error Value: 4,092,567

Confidence Interval Values (5)

Local Test Value: 75,612,390 (Outside Confidence Interval)
State Lower Limit: 77,758,766 (State Test Value minus Margin of Error Percent)
State Upper Limit: 85,943,900 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 82,652,580 (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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