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2009 Confidence Interval Detail
215/Stephens
215-901/Breckenridge ISD

Category Summary

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

Stratum
Variance
A 29,694,100 0.7627 38,932,870 21 1,204 .227831364
A 32,085,910 0.8368 38,343,583 15 652 .073363486
A 37,344,930 0.8875 42,078,794 18 458 .263216222
A 49,678,540 0.9380 52,962,196 16 339 .032451245
D3 65,253,080 0.7075 92,230,502 24 6,080 .154006733
G1 88,700,140 1.0816 82,008,266 14 333 .029246040
G1 88,161,818 1.0440 84,446,186 13 108 .016919656
G1 92,167,676 1.0415 88,495,128 10 33 .007531051
G1 83,800,675 1.0917 76,761,633 4 5 .028973214
Random Totals: 566,886,869   596,259,158 135 9,212  
Catg J Exception Values: 17,989,810   20,660,572      
Catg D1 Exception Values: 23,901,070   27,186,358      
Total Test Values (4): 608,777,749   644,106,088      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 32,205,304

Confidence Interval Values (5)

Local Test Value: 608,777,749 (Outside Confidence Interval)
State Lower Limit: 611,900,784 (State Test Value minus Margin of Error Percent)
State Upper Limit: 676,311,392 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 701,303,302 (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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