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2008 Confidence Interval Detail
078/Foard
078-901/Crowell ISD

Category Summary

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

Stratum
Variance
A 2,028,650 0.8591 2,361,367 15 194 .027729984
A 2,026,890 0.9722 2,084,849 16 118 .012216606
A 2,031,350 1.0384 1,956,231 15 71 .007279763
A 2,833,540 1.0338 2,740,898 14 52 .023856594
D3 7,579,570 0.9549 7,937,554 49 3,496 .946068363
G1 1,741,880 1.0116 1,721,906 11 30 .018569616
G1 1,675,310 1.0543 1,589,026 3 4 .003294722
Random Totals: 19,917,190   20,391,831 123 3,965  
Catg J Exception Values: 3,694,371   3,360,430      
Catg D1 Exception Values: 31,196,550   28,784,412      
Catg G1 Exception Values: 5,939,611   6,023,145      
Total Test Values (4): 60,747,722   58,559,818      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 2,927,991

Confidence Interval Values (5)

State Lower Limit: 55,631,827 (State Test Value minus Margin of Error Percent)
Local Test Value: 60,747,722 (Within Confidence Interval)
State Upper Limit: 61,487,809 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 62,049,600 (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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