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2009 Confidence Interval Detail
098/Hansford
098-901/Gruver ISD

Category Summary

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

Stratum
Variance
A 6,833,482 1.0388 6,578,246 7 193 .017736834
A 6,809,267 0.9708 7,014,078 7 98 .022388197
A 7,161,394 0.8595 8,332,047 6 74 .017062410
A 6,611,995 0.8959 7,380,282 6 45 .015776908
D3 7,934,676 1.0935 7,256,219 9 1,502 1.191070204
G1 41,856,820 1.0354 40,425,749 13 150 .016983788
G1 41,578,580 0.9934 41,854,822 12 76 .003620502
G1 42,079,790 1.0163 41,404,890 11 47 .006060393
G1 40,470,840 1.0035 40,329,686 8 19 .002532263
L1 2,188,116 1.0514 2,081,145 6 24 .016102408
L1 4,863,682 1.0020 4,853,974 3 6 .000061708
Random Totals: 208,388,642   207,511,138 88 2,234  
Catg J Exception Values: 6,767,360   5,730,303      
Catg D1 Exception Values: 39,934,681   40,689,244      
Catg L1 Exception Values: 4,090,180   6,226,939      
Total Test Values (4): 259,180,863   260,157,624      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 13,007,881

Confidence Interval Values (5)

State Lower Limit: 247,149,743 (State Test Value minus Margin of Error Percent)
Local Test Value: 259,180,863 (Within Confidence Interval)
State Upper Limit: 273,165,505 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 670,330,445 (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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