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2010 Confidence Interval Detail
090/Gray
090-904/Pampa ISD

Category Summary

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

Stratum
Variance
A 92,671,410 1.0018 92,504,901 41 2,959 .043092260
A 100,529,620 1.0192 98,635,812 31 1,389 .022856083
A 103,380,310 1.0679 96,807,107 27 873 .015086604
A 105,925,320 0.9894 107,060,158 18 536 .008999316
F1 27,960,280 0.9484 29,481,527 10 399 .009990468
F1 29,669,990 0.9306 31,882,646 10 110 .028067894
F1 26,522,690 1.0089 26,288,720 7 27 .000432697
F1 35,220,310 1.0169 34,634,979 4 8 .001929662
G1 23,839,140 0.9575 24,897,274 9 91 .011461479
G1 24,684,941 1.0262 24,054,708 8 32 .018649964
G1 23,332,777 1.0166 22,951,777 6 14 .003441889
G1 22,801,630 1.0310 22,116,033 4 6 .012048279
L1 36,380,950 0.9516 38,231,347 11 229 .008180268
L1 35,725,954 1.0089 35,410,798 10 17 .003873484
Random Totals: 688,645,322   684,957,787 196 6,690  
Catg J Exception Values: 50,734,659   51,531,095      
Catg D1 Exception Values: 9,644,490   17,053,838      
Total Test Values (4): 749,024,471   753,542,720      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 37,677,136

Confidence Interval Values (5)

State Lower Limit: 715,865,584 (State Test Value minus Margin of Error Percent)
Local Test Value: 749,024,471 (Within Confidence Interval)
State Upper Limit: 791,219,856 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 978,689,720 (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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