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2009 Confidence Interval Detail
211/Sherman
171-902/Sunray ISD

Category Summary

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

Stratum
Variance
D3 2,693,710 0.9127 2,951,364 11 254 .084811975
G1 16,087,310 0.9848 16,335,611 7 38 .009881642
G1 15,598,940 1.0186 15,314,098 6 20 .005335812
G1 16,304,911 1.0419 15,649,209 5 13 .005409225
G1 14,110,490 1.0902 12,943,029 4 7 .000815314
Random Totals: 64,795,361   63,193,311 33 332  
Catg J Exception Values: 487,900   374,898      
Catg D1 Exception Values: 8,464,810   8,010,022      
Total Test Values (4): 73,748,071   71,578,231      

Margin of Error

Margin of Error Percent: 5.0000006
Margin of Error Value: 3,578,912

Confidence Interval Values (5)

State Lower Limit: 67,999,319 (State Test Value minus Margin of Error Percent)
Local Test Value: 73,748,071 (Within Confidence Interval)
State Upper Limit: 75,157,143 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 81,469,768 (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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