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2006 Confidence Interval Detail
219/Swisher
219-901/Happy ISD

Category Summary

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

Stratum
Variance
A 1,663,127 0.6752 2,463,162 12 100 .043924362
A 1,637,031 0.7031 2,328,305 10 49 .035062737
A 1,659,291 0.8624 1,924,039 8 32 .062919277
A 1,629,950 0.8449 1,929,163 7 21 .018930075
D3 12,105,796 0.9274 13,053,479 20 1,329 .068103626
Random Totals: 18,695,195   21,698,148 57 1,531  
Catg J Exception Values: 6,600,618   6,371,945      
Catg D1 Exception Values: 19,181,989   21,047,196      
Total Test Values (4): 44,477,802   49,117,289      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 2,455,864

Confidence Interval Values (5)

Local Test Value: 44,477,802 (Outside Confidence Interval)
State Lower Limit: 46,661,425 (State Test Value minus Margin of Error Percent)
State Upper Limit: 51,573,153 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 59,389,425 (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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