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2011 Confidence Interval Detail
029/Calhoun
029-901/Calhoun County ISD

Category Summary

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

Stratum
Variance
A 220,614,497 0.9547 231,082,536 35 3,618 .008624289
A 216,977,624 0.9963 217,783,423 35 1,876 .007136377
A 208,994,722 1.0134 206,231,224 26 1,141 .006257456
A 198,561,815 1.0070 197,181,544 10 563 .027069025
C 50,923,778 0.9891 51,484,964 43 2,638 .011195072
C 35,002,920 0.9715 36,029,768 23 590 .018253689
C 16,507,720 1.0327 15,985,010 10 176 .015052027
C 25,027,230 0.9694 25,817,237 10 120 .001136327
F1 36,107,685 1.0143 35,598,625 11 384 .038648391
F1 34,466,050 1.0046 34,308,232 9 132 .004135277
F1 38,664,928 1.0086 38,335,245 8 50 .013159701
F1 35,049,580 1.0102 34,695,684 5 12 .003374768
L1 25,196,370 1.0297 24,469,622 10 305 .004540110
L1 22,405,600 1.0349 21,650,014 8 39 .000679434
L1 34,617,750 1.0144 34,126,331 5 15 .010675749
L1 27,139,500 0.9621 28,208,606 2 3 .004240567
Random Totals: 1,226,257,769   1,232,988,065 250 11,662  
Catg D1 Exception Values: 29,729,855   44,345,165      
Total Test Values (4): 1,255,987,624   1,277,333,230      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 63,866,662

Confidence Interval Values (5)

State Lower Limit: 1,213,466,568 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,255,987,624 (Within Confidence Interval)
State Upper Limit: 1,341,199,892 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 3,214,733,165 (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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