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2009 Confidence Interval Detail
154/Madison
154-901/Madisonville CISD

Category Summary

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

Stratum
Variance
A 28,224,850 0.9401 30,023,242 17 776 .013878918
A 26,965,740 0.9444 28,553,304 14 374 .012722455
A 28,027,740 0.9433 29,712,435 17 265 .011232175
A 28,646,230 0.9847 29,091,327 14 163 .001076334
D3 130,266,316 0.9487 137,310,336 38 5,779 .015706264
F1 9,930,330 0.9657 10,283,038 9 135 .002541060
F1 10,289,250 0.9539 10,786,508 8 38 .002980532
F1 9,012,660 0.9385 9,603,261 7 15 .005225701
F1 12,159,830 0.9440 12,881,176 5 9 .001527471
G1 6,480,702 0.8434 7,684,019 5 24 .153800563
G1 6,157,030 1.0766 5,718,958 4 10 .003084449
G1 7,128,342 0.9827 7,253,833 3 6 .102057415
Random Totals: 303,289,020   318,901,437 141 7,594  
Catg J Exception Values: 14,771,020   14,240,438      
Catg D1 Exception Values: 12,286,414   13,480,423      
Catg G1 Exception Values: 13,764,669   13,885,023      
Total Test Values (4): 344,111,123   360,507,321      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 18,025,366

Confidence Interval Values (5)

State Lower Limit: 342,481,955 (State Test Value minus Margin of Error Percent)
Local Test Value: 344,111,123 (Within Confidence Interval)
State Upper Limit: 378,532,687 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 369,167,859 (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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