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2009 Confidence Interval Detail
056/Dallam
056-902/Texline ISD

Category Summary

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

Stratum
Variance
A 775,630 0.9635 805,013 8 52 .143914065
A 785,890 1.0049 782,058 6 33 .006969701
A 1,342,700 1.0298 1,303,845 9 35 .010516086
A 2,111,480 0.9821 2,149,964 12 34 .012749490
D3 12,013,936 1.0214 11,762,224 20 1,342 .001497856
L1 2,361,890 0.9709 2,432,681 15 48 .008030777
Random Totals: 19,391,526   19,235,785 70 1,544  
Catg J Exception Values: 7,122,590   7,409,143      
Catg D1 Exception Values: 26,766,133   34,024,887      
Catg L1 Exception Values: 1,212,500   1,192,633      
Total Test Values (4): 54,492,749   61,862,448      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,093,122

Confidence Interval Values (5)

Local Test Value: 54,492,749 (Outside Confidence Interval)
State Lower Limit: 58,769,326 (State Test Value minus Margin of Error Percent)
State Upper Limit: 64,955,570 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 91,470,782 (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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