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2010 Confidence Interval Detail
021/Brazos
093-904/Navasota ISD

Category Summary

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

Stratum
Variance
A 7,298,240 0.7981 9,144,518 10 138 .059352932
A 7,233,050 1.0997 6,577,294 10 67 .065189713
A 7,022,740 1.0885 6,451,759 10 42 .049608553
A 6,355,890 1.1403 5,573,875 8 26 .008840203
D3 34,155,445 0.9638 35,438,312 20 777 .010973974
G1 4,564,979 1.1165 4,088,651 7 21 .018095898
G1 4,228,707 0.9842 4,296,593 5 9 .049251940
G1 4,181,588 1.3490 3,099,769 3 5 .101173948
G1 4,147,243 1.0381 3,995,032 2 3 .015783967
L1 1,768,010 0.8932 1,979,411 6 13 .005383839
L1 1,406,350 0.9661 1,455,698 3 3 .003780546
Random Totals: 82,362,242   82,100,912 84 1,104  
Catg J Exception Values: 10,658,714   11,217,373      
Catg D1 Exception Values: 8,905,134   7,825,007      
Catg G1 Exception Values: 5,334,195   5,283,225      
Catg L1 Exception Values: 10,096,400   10,165,486      
Total Test Values (4): 117,356,685   116,592,003      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 5,829,600

Confidence Interval Values (5)

State Lower Limit: 110,762,403 (State Test Value minus Margin of Error Percent)
Local Test Value: 117,356,685 (Within Confidence Interval)
State Upper Limit: 122,421,603 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 127,070,951 (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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