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2011 Confidence Interval Detail
056/Dallam
056-901/Dalhart CISD

Category Summary

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

Stratum
Variance
A 17,352,060 0.9362 18,534,565 10 598 .025593617
A 17,927,880 0.8868 20,216,373 10 353 .033398847
A 17,558,500 0.8916 19,693,248 11 255 .010560876
A 17,520,640 0.9428 18,583,623 10 165 .018179150
D3 15,170,006 0.9651 15,718,585 17 1,115 .002944946
F1 5,993,270 0.9614 6,233,898 9 138 .001091734
F1 6,153,780 0.9738 6,319,347 8 55 .006462792
F1 6,818,400 0.6470 10,538,485 7 27 .672042555
F1 6,070,370 0.7579 8,009,460 6 10 .351849783
L1 5,621,630 0.9840 5,713,039 10 89 .000785895
L1 6,694,980 0.9874 6,780,413 11 25 .011981443
L1 6,874,700 0.9575 7,179,843 6 11 .006509207
L1 5,554,830 0.9940 5,588,360 3 5 .000181141
Random Totals: 135,311,046   149,109,239 118 2,846  
Catg J Exception Values: 14,062,838   11,840,241      
Catg D1 Exception Values: 31,136,297   49,716,526      
Total Test Values (4): 180,510,181   210,666,006      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 10,533,300

Confidence Interval Values (5)

Local Test Value: 180,510,181 (Outside Confidence Interval)
State Lower Limit: 200,132,706 (State Test Value minus Margin of Error Percent)
State Upper Limit: 221,199,306 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 312,864,062 (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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