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2007 Confidence Interval Detail
073/Falls
073-901/Chilton ISD

Category Summary

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

Stratum
Variance
A 3,594,731 1.0150 3,541,607 17 200 .098522024
A 3,628,085 0.9645 3,761,623 16 97 .054485775
A 3,579,487 0.8272 4,327,233 16 61 .037538870
A 3,573,605 0.8733 4,092,070 16 39 .018424935
D3 12,391,020 0.7347 16,865,414 20 1,211 .349087431
L1 2,667,260 1.1095 2,404,020 8 65 .146884267
Random Totals: 29,434,188   34,991,967 93 1,673  
Catg J Exception Values: 3,400,577   3,489,516      
Catg D1 Exception Values: 6,768,270   6,207,399      
Total Test Values (4): 39,603,035   44,688,882      

Margin of Error

Margin of Error Percent: 10.0570921
Margin of Error Value: 4,494,402

Confidence Interval Values (5)

Local Test Value: 39,603,035 (Outside Confidence Interval)
State Lower Limit: 40,194,480 (State Test Value minus Margin of Error Percent)
State Upper Limit: 49,183,284 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 48,552,810 (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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