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2006 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 7,789,077 1.0201 7,635,601 20 388 .089947560
A 7,769,759 0.9215 8,431,643 13 226 .075484639
A 7,768,239 0.9755 7,963,341 16 137 .022619996
A 7,770,879 0.9940 7,817,786 16 76 .022460888
D3 6,602,680 1.0744 6,145,458 21 1,703 .071668748
F1 1,055,774 0.8519 1,239,317 5 54 .051095474
F1 1,036,496 0.8912 1,163,034 5 18 .000612483
F1 2,063,395 0.9338 2,209,676 4 12 .001667392
Random Totals: 41,856,299   42,605,856 100 2,614  
Catg D1 Exception Values: 14,047,200   16,153,406      
Total Test Values (4): 55,903,499   58,759,262      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,937,963

Confidence Interval Values (5)

State Lower Limit: 55,821,299 (State Test Value minus Margin of Error Percent)
Local Test Value: 55,903,499 (Within Confidence Interval)
State Upper Limit: 61,697,225 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 60,793,941 (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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