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2008 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 4,642,820 0.9252 5,018,180 10 2,031 .008098989
G1 28,556,050 0.9885 28,888,265 5 70 .001287581
G1 27,809,680 0.9728 28,587,253 5 24 .035583669
G1 28,900,867 1.0019 28,846,059 5 13 .008728035
G1 26,895,281 0.9948 27,035,868 5 7 .006588782
Random Totals: 116,804,698   118,375,625 30 2,145  
Catg J Exception Values: 3,538,048   3,593,043      
Catg D1 Exception Values: 528,120   862,240      
Catg G1 Exception Values: 35,135,465   35,170,267      
Total Test Values (4): 156,006,331   158,001,175      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 7,900,059

Confidence Interval Values (5)

State Lower Limit: 150,101,116 (State Test Value minus Margin of Error Percent)
Local Test Value: 156,006,331 (Within Confidence Interval)
State Upper Limit: 165,901,234 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 239,957,051 (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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