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2009 Confidence Interval Detail
042/Coleman
042-901/Coleman ISD

Category Summary

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

Stratum
Variance
A 13,907,660 0.9924 14,014,168 23 908 .141254016
A 14,082,120 1.0068 13,987,008 21 476 .055088092
A 14,701,990 0.9717 15,130,174 18 278 .009751807
A 14,153,950 1.0052 14,080,730 17 127 .006968030
D3 21,154,470 0.9968 21,222,382 27 1,801 .003921876
F1 3,169,670 0.7718 4,106,854 9 146 .241836972
F1 3,395,100 0.9092 3,734,162 9 63 .039626208
F1 3,456,440 0.8969 3,853,763 6 22 .006804543
F1 2,940,790 0.9040 3,253,086 3 5 .014167142
G1 1,134,760 0.9805 1,157,328 7 40 .021933762
G1 1,148,280 1.0363 1,108,058 5 15 .007577675
G1 1,201,840 0.9841 1,221,258 3 8 .004583833
G1 911,060 0.9983 912,611 3 4 .002861298
L1 2,298,710 0.9520 2,414,611 8 102 .015591748
L1 2,396,230 0.9515 2,518,371 9 25 .014593474
L1 2,108,720 0.9819 2,147,591 7 10 .000428991
Random Totals: 102,161,790   104,862,155 175 4,030  
Catg J Exception Values: 6,536,379   6,369,748      
Catg D1 Exception Values: 8,053,200   8,858,975      
Catg L1 Exception Values: 2,363,160   2,435,021      
Total Test Values (4): 119,114,529   122,525,899      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 6,126,295

Confidence Interval Values (5)

State Lower Limit: 116,399,604 (State Test Value minus Margin of Error Percent)
Local Test Value: 119,114,529 (Within Confidence Interval)
State Upper Limit: 128,652,194 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 113,038,670 (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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