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2009 Confidence Interval Detail
153/Lynn
153-904/Tahoka ISD

Category Summary

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

Stratum
Variance
A 12,511,620 1.0317 12,127,188 10 437 .030954016
A 12,549,370 0.9702 12,934,828 9 210 .023032758
A 12,188,170 0.9705 12,558,650 8 125 .011339985
A 12,502,010 0.9391 13,312,757 8 81 .017991669
D3 7,016,180 0.9833 7,135,340 11 1,404 .026165544
G1 3,567,630 1.0044 3,552,001 3 5 .001757832
Random Totals: 60,334,980   61,620,764 49 2,262  
Catg J Exception Values: 4,499,620   3,475,993      
Catg D1 Exception Values: 36,932,290   39,228,562      
Total Test Values (4): 101,766,890   104,325,319      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,216,266

Confidence Interval Values (5)

State Lower Limit: 99,109,053 (State Test Value minus Margin of Error Percent)
Local Test Value: 101,766,890 (Within Confidence Interval)
State Upper Limit: 109,541,585 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 107,896,806 (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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