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2009 Confidence Interval Detail
046/Comal
046-901/New Braunfels ISD

Category Summary

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

Stratum
Variance
A 447,988,861 0.9883 453,292,382 49 3,891 .013737418
A 420,976,711 1.0061 418,424,323 52 2,477 .007088860
A 449,297,082 0.9724 462,049,652 50 1,959 .004521238
A 446,965,280 0.9783 456,879,567 35 1,157 .007002680
F1 98,513,913 0.9672 101,854,749 11 390 .018765831
F1 99,958,763 0.9628 103,820,900 7 173 .025448259
F1 101,018,760 0.9662 104,552,639 6 55 .011608805
F1 92,889,570 0.9064 102,481,873 4 11 .010029337
Random Totals: 2,157,608,940   2,203,356,085 214 10,113  
Catg D1 Exception Values: 2,244,022   1,690,693      
Total Test Values (4): 2,159,852,962   2,205,046,778      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 110,252,339

Confidence Interval Values (5)

State Lower Limit: 2,094,794,439 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,159,852,962 (Within Confidence Interval)
State Upper Limit: 2,315,299,117 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,383,925,964 (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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