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2008 Confidence Interval Detail
161/McLennan
161-901/Crawford ISD

Category Summary

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

Stratum
Variance
A 12,400,820 1.0588 11,712,146 8 194 .007489659
A 13,790,170 0.9744 14,152,473 7 102 .003577448
A 15,510,207 1.0052 15,429,971 6 79 .012001591
A 20,600,182 1.1033 18,671,424 8 57 .007852149
D3 49,160,074 0.9932 49,496,651 21 1,443 .026308690
Random Totals: 111,461,453   109,462,665 50 1,875  
Catg D1 Exception Values: 6,388,622   5,332,535      
Total Test Values (4): 117,850,075   114,795,200      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,739,760

Confidence Interval Values (5)

State Lower Limit: 109,055,440 (State Test Value minus Margin of Error Percent)
Local Test Value: 117,850,075 (Within Confidence Interval)
State Upper Limit: 120,534,960 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 123,819,412 (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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