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2007 Confidence Interval Detail
044/Collingsworth
065-902/Hedley ISD

Category Summary

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

Stratum
Variance
D3 939,860 0.9535 985,695 10 309 .032818071
L1 405,690 1.0000 405,690 2 3
Random Totals: 1,345,550   1,391,385 12 312  
Catg D1 Exception Values: 7,186,540   8,429,219      
Total Test Values (4): 8,532,090   9,820,604      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 491,030

Confidence Interval Values (5)

Local Test Value: 8,532,090 (Outside Confidence Interval)
State Lower Limit: 9,329,574 (State Test Value minus Margin of Error Percent)
State Upper Limit: 10,311,634 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 8,825,778 (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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