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2009 Confidence Interval Detail
238/Ward
238-902/Monahans-Wickett-Pyote ISD

Category Summary

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

Stratum
Variance
A 24,334,750 0.7103 34,259,820 7 1,329 .029821342
A 24,305,840 0.7876 30,860,640 7 727 .001975238
A 24,669,690 0.6863 35,945,927 7 465 .083586998
A 26,193,610 0.6942 37,732,080 7 248 .057165687
G1 223,247,581 1.0567 211,268,649 8 164 .004183275
G1 221,046,260 1.0526 210,000,247 6 54 .003022516
G1 303,287,548 1.0594 286,282,375 5 18 .001539290
Random Totals: 847,085,279   846,349,738 47 3,005  
Catg J Exception Values: 40,165,690   40,740,222      
Catg D1 Exception Values: 794,980   1,612,391      
Catg G1 Exception Values: 134,781,022   130,663,757      
Total Test Values (4): 1,022,826,971   1,019,366,108      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 50,968,305

Confidence Interval Values (5)

State Lower Limit: 968,397,803 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,022,826,971 (Within Confidence Interval)
State Upper Limit: 1,070,334,413 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,276,988,518 (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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