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2010 Confidence Interval Detail
030/Callahan
030-901/Cross Plains ISD

Category Summary

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

Stratum
Variance
A 4,348,270 0.9149 4,752,727 19 215 .050427949
A 4,412,390 0.9692 4,552,610 18 96 .006352028
A 4,673,860 0.9530 4,904,365 16 62 .007931633
A 4,055,270 0.9933 4,082,624 13 30 .010060643
D3 33,116,280 0.9719 34,073,752 45 1,980 .072315776
F1 997,020 1.0289 969,015 9 48 .018346365
F1 1,048,950 1.0155 1,032,939 7 18 .003805860
F1 1,177,350 1.0040 1,172,659 6 10 .002396125
F1 869,500 0.9774 889,605 2 3 .000332145
L1 961,640 0.9974 964,147 8 43 .000415254
L1 991,060 1.0009 990,169 5 13 .000237933
L1 2,171,120 1.0057 2,158,815 5 8 .000672515
Random Totals: 58,822,710   60,543,427 153 2,526  
Catg J Exception Values: 2,465,090   2,469,439      
Catg D1 Exception Values: 6,736,070   6,761,220      
Total Test Values (4): 68,023,870   69,774,086      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,488,704

Confidence Interval Values (5)

State Lower Limit: 66,285,382 (State Test Value minus Margin of Error Percent)
Local Test Value: 68,023,870 (Within Confidence Interval)
State Upper Limit: 73,262,790 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 60,377,942 (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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