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2009 Confidence Interval Detail
133/Kerr
086-902/Harper ISD

Category Summary

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

Stratum
Variance
D3 40,035,546 0.9480 42,231,589 23 789 .031049044
Random Totals: 40,035,546   42,231,589 23 789  
Catg D1 Exception Values: 1,385,683   1,523,045      
Total Test Values (4): 41,421,229   43,754,634      

Margin of Error

Margin of Error Percent: 7.2330236
Margin of Error Value: 3,164,783

Confidence Interval Values (5)

State Lower Limit: 40,589,851 (State Test Value minus Margin of Error Percent)
Local Test Value: 41,421,229 (Within Confidence Interval)
State Upper Limit: 46,919,417 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 37,313,404 (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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