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2010 Confidence Interval Detail
021/Brazos
021-901/College Station ISD

Category Summary

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

Stratum
Variance
A 861,396,466 0.9279 928,328,986 62 6,572 .004095745
A 824,240,812 0.9922 830,720,431 57 4,752 .007086623
A 823,699,232 0.9788 841,539,877 61 3,320 .007078445
A 847,842,292 0.9662 877,501,855 56 1,982 .004868688
B 227,222,932 0.9665 235,098,740 38 1,337 .007322367
B 239,723,764 0.9161 261,678,598 9 150 .007229445
B 161,980,773 0.9536 169,862,388 7 17 .004459228
B 277,956,550 0.9500 292,585,842 6 12 .002379552
F1 253,212,362 1.1041 229,338,250 12 319 .084993577
F1 257,560,059 0.9821 262,254,413 11 104 .057230249
F1 214,878,156 0.9727 220,908,971 8 41 .015452950
F1 231,793,640 0.9934 233,333,642 6 16 .007535367
L1 71,135,930 0.9989 71,214,266 10 741 .008449208
L1 68,779,750 1.0078 68,247,420 9 138 .001061064
L1 57,195,840 1.0269 55,697,575 8 34 .001616542
L1 62,775,860 0.9936 63,180,213 6 11 .000549775
Random Totals: 5,481,394,418   5,641,491,467 366 19,546  
Catg J Exception Values: 33,453,173   30,354,624      
Catg D1 Exception Values: 2,392,365   1,507,039      
Total Test Values (4): 5,517,239,956   5,673,353,130      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 283,667,657

Confidence Interval Values (5)

State Lower Limit: 5,389,685,473 (State Test Value minus Margin of Error Percent)
Local Test Value: 5,517,239,956 (Within Confidence Interval)
State Upper Limit: 5,957,020,787 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 5,865,522,105 (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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