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2012 Confidence Interval Detail
215/Stephens
224-902/Woodson ISD

Category Summary

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

Stratum
Variance
D3 1,772,820 1.0035 1,766,637 15 127 .015269107
G1 906,328 0.9758 928,805 7 9 .062656776
Random Totals: 2,679,148   2,695,442 22 136  
Catg J Exception Values: 143,060   146,314      
Catg D1 Exception Values: 782,240   770,433      
Catg G1 Exception Values: 262,095   245,013      
Total Test Values (4): 3,866,543   3,857,202      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 192,860

Confidence Interval Values (5)

State Lower Limit: 3,664,342 (State Test Value minus Margin of Error Percent)
Local Test Value: 3,866,543 (Within Confidence Interval)
State Upper Limit: 4,050,062 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 4,318,777 (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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