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2007 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
D3 84,917,840 0.9917 85,628,557 21 329,374 .016054506
G1 18,450,582 1.0091 18,284,196 7 98 .003380775
G1 18,977,680 1.0350 18,335,923 6 38 .020019460
G1 17,668,748 0.9868 17,905,095 5 13 .007126926
G1 18,207,289 0.9976 18,251,092 3 4 .000699529
Random Totals: 158,222,139   158,404,863 42 329,527  
Catg J Exception Values: 38,691,127   37,369,852      
Catg D1 Exception Values: 15,119,460   19,511,538      
Total Test Values (4): 212,032,726   215,286,253      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 10,764,313

Confidence Interval Values (5)

State Lower Limit: 204,521,940 (State Test Value minus Margin of Error Percent)
Local Test Value: 212,032,726 (Within Confidence Interval)
State Upper Limit: 226,050,566 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 992,195,628 (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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