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2007 Confidence Interval Detail
241/Wharton
241-906/Louise ISD

Category Summary

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

Stratum
Variance
A 10,285,555 0.9012 11,413,177 9 207 .011138994
A 10,209,949 0.9623 10,609,944 10 109 .009639088
A 10,161,131 0.9716 10,458,142 9 73 .013403641
A 10,208,699 1.0294 9,917,135 8 48 .006157235
D3 31,872,270 0.9666 32,973,588 21 2,338 .024715266
G1 6,600,671 0.8418 7,841,139 7 17 .025520257
G1 6,099,151 0.9940 6,135,967 4 5 .008026778
G1 6,000,345 1.1655 5,148,301 3 4 .090530206
L1 2,840,196 0.9184 3,092,548 6 33 .003569397
L1 2,547,653 0.8511 2,993,365 4 8 .044689274
L1 3,273,733 0.9512 3,441,687 3 4 .013260541
Random Totals: 100,099,353   104,024,993 84 2,846  
Catg J Exception Values: 7,052,466   7,071,198      
Catg D1 Exception Values: 23,919,420   24,732,121      
Catg G1 Exception Values: 12,516,019   12,783,836      
Catg L1 Exception Values: 1,952,794   1,953,285      
Total Test Values (4): 145,540,052   150,565,433      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 7,528,272

Confidence Interval Values (5)

State Lower Limit: 143,037,161 (State Test Value minus Margin of Error Percent)
Local Test Value: 145,540,052 (Within Confidence Interval)
State Upper Limit: 158,093,705 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 155,207,202 (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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