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2009 Confidence Interval Detail
249/Wise
249-902/Boyd ISD

Category Summary

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

Stratum
Variance
A 22,724,730 0.8920 25,476,155 7 347 .089212059
A 23,472,590 0.9518 24,661,263 10 227 .007604088
A 22,983,290 0.9831 23,378,385 8 161 .008946651
A 25,941,320 0.9735 26,647,478 9 102 .007230457
D3 114,428,240 0.7502 152,530,312 12 2,642 .095450316
G1 103,006,173 0.9925 103,784,557 11 197 .009714205
G1 101,773,792 0.9570 106,346,700 8 95 .003594563
G1 102,835,745 0.9858 104,317,047 6 57 .001036337
G1 101,858,999 0.9800 103,937,754 5 23 .001118507
Random Totals: 619,024,879   671,079,651 76 3,851  
Catg J Exception Values: 8,289,760   8,221,793      
Catg D1 Exception Values: 2,357,210   2,372,781      
Total Test Values (4): 629,671,849   681,674,225      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 34,083,711

Confidence Interval Values (5)

Local Test Value: 629,671,849 (Outside Confidence Interval)
State Lower Limit: 647,590,514 (State Test Value minus Margin of Error Percent)
State Upper Limit: 715,757,936 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 764,409,744 (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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