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2009 Confidence Interval Detail
167/Mills
167-901/Goldthwaite ISD

Category Summary

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

Stratum
Variance
A 12,473,800 0.9159 13,619,172 7 365 .016612837
A 12,487,180 0.9056 13,788,847 7 207 .005077789
A 12,624,440 0.9710 13,001,483 7 134 .002064400
A 13,289,740 0.9942 13,367,270 6 79 .000725311
D3 54,468,460 0.9614 56,655,357 18 3,357 .012802583
F1 3,470,020 0.9490 3,656,502 6 81 .008630300
F1 3,638,950 0.8445 4,308,999 6 30 .039203033
F1 3,846,710 0.9921 3,877,341 4 12 .008176256
F1 3,172,010 0.9969 3,181,874 3 6 .002644451
Random Totals: 119,471,310   125,456,845 64 4,271  
Catg J Exception Values: 6,988,070   7,213,490      
Catg D1 Exception Values: 15,057,630   16,541,258      
Total Test Values (4): 141,517,010   149,211,593      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 7,460,580

Confidence Interval Values (5)

Local Test Value: 141,517,010 (Outside Confidence Interval)
State Lower Limit: 141,751,013 (State Test Value minus Margin of Error Percent)
State Upper Limit: 156,672,173 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 139,325,609 (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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