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2008 Confidence Interval Detail
005/Archer
005-901/Archer City ISD

Category Summary

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

Stratum
Variance
A 11,903,450 1.0111 11,772,772 15 384 .018729644
A 12,410,820 0.9336 13,293,509 16 206 .012221496
A 13,096,920 0.9853 13,292,317 16 144 .003612645
A 15,169,580 1.0257 14,789,490 16 90 .009197993
D3 18,818,760 0.9333 20,163,677 22 1,912 .033855826
G1 13,846,950 0.9921 13,957,212 12 85 .027775061
G1 13,511,930 1.0228 13,210,725 11 30 .012631559
G1 13,858,440 1.0119 13,695,464 7 16 .012081509
G1 13,236,510 0.9831 13,464,052 5 9 .013180592
Random Totals: 125,853,360   127,639,218 120 2,876  
Catg J Exception Values: 9,916,788   9,717,245      
Catg D1 Exception Values: 20,133,890   16,081,493      
Total Test Values (4): 155,904,038   153,437,956      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 7,671,898

Confidence Interval Values (5)

State Lower Limit: 145,766,058 (State Test Value minus Margin of Error Percent)
Local Test Value: 155,904,038 (Within Confidence Interval)
State Upper Limit: 161,109,854 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 181,474,330 (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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