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2009 Confidence Interval Detail
042/Coleman
042-906/Novice ISD

Category Summary

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

Stratum
Variance
A 1,751,815 1.0876 1,610,716 8 118 .062247456
A 1,927,653 1.0408 1,852,088 9 62 .017898732
A 1,739,040 0.7807 2,227,539 8 36 .094806322
A 1,856,280 0.7780 2,385,964 8 20 .023072641
D3 9,492,650 0.9683 9,803,418 29 974 .009268076
G1 2,671,140 0.9865 2,707,694 6 26 .007510106
G1 2,355,680 1.0142 2,322,698 4 7 .002616197
G1 3,652,304 1.0220 3,573,683 3 4 .008045705
Random Totals: 25,446,562   26,483,800 75 1,247  
Catg J Exception Values: 7,586,350   7,845,534      
Catg D1 Exception Values: 4,744,310   4,980,058      
Catg G1 Exception Values: 1,354,330   1,366,845      
Total Test Values (4): 39,131,552   40,676,237      

Margin of Error

Margin of Error Percent: 5.0000004
Margin of Error Value: 2,033,812

Confidence Interval Values (5)

State Lower Limit: 38,642,425 (State Test Value minus Margin of Error Percent)
Local Test Value: 39,131,552 (Within Confidence Interval)
State Upper Limit: 42,710,049 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 40,089,209 (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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