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2009 Confidence Interval Detail
238/Ward
195-901/Pecos-Barstow-Toyah ISD

Category Summary

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

Stratum
Variance
D3 3,849,560 0.6064 6,348,219 10 2,069 .219397653
G1 58,933,984 0.9940 59,289,722 8 48 .001357638
G1 55,480,850 0.9882 56,143,341 5 12 .000693867
G1 56,023,700 0.9974 56,169,741 4 8 .001072859
G1 53,468,590 0.9593 55,737,090 3 4 .000325390
Random Totals: 227,756,684   233,688,113 30 2,141  
Catg J Exception Values: 5,649,690   5,777,943      
Catg D1 Exception Values: 529,450   836,281      
Total Test Values (4): 233,935,824   240,302,337      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 12,015,117

Confidence Interval Values (5)

State Lower Limit: 228,287,220 (State Test Value minus Margin of Error Percent)
Local Test Value: 233,935,824 (Within Confidence Interval)
State Upper Limit: 252,317,454 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 253,499,610 (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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