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2012 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 4,471,090 0.9260 4,828,391 12 208 .006952150
A 4,545,230 0.9763 4,655,567 13 95 .018735934
A 4,552,260 0.9597 4,743,420 12 60 .009493774
A 5,395,300 0.9691 5,567,331 11 39 .001994351
D3 33,747,720 0.9252 36,476,135 23 1,974 .053010174
F1 1,069,710 0.9725 1,099,959 10 50 .002424622
F1 1,115,000 0.9572 1,164,856 7 19 .009468555
F1 1,001,200 0.9891 1,012,233 7 9 .000899546
F1 1,456,980 0.9869 1,476,320 3 5 .000280734
L1 901,190 0.9891 911,121 8 40 .008435266
L1 1,026,310 0.9935 1,033,025 6 15 .000861806
L1 835,310 1.0058 830,493 4 6 .004846658
Random Totals: 60,117,300   63,798,851 116 2,520  
Catg J Exception Values: 955,082   1,322,892      
Catg D1 Exception Values: 6,746,400   6,912,450      
Catg L1 Exception Values: 577,475   576,444      
Total Test Values (4): 68,396,257   72,610,637      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 3,630,532

Confidence Interval Values (5)

Local Test Value: 68,396,257 (Outside Confidence Interval)
State Lower Limit: 68,980,105 (State Test Value minus Margin of Error Percent)
State Upper Limit: 76,241,169 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 64,592,245 (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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