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2009 Confidence Interval Detail
093/Grimes
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 6,503,939 0.9403 6,916,877 9 184 .023343202
A 6,108,620 1.0050 6,078,229 9 139 .028451024
A 6,493,220 0.9351 6,943,878 11 111 .031949900
A 6,879,780 0.9733 7,068,509 10 65 .001562583
D3 34,688,492 0.9755 35,559,705 20 1,262 .015233658
Random Totals: 60,674,051   62,567,198 59 1,761  
Catg J Exception Values: 2,191,460   2,235,582      
Catg D1 Exception Values: 3,039,653   2,986,688      
Total Test Values (4): 65,905,164   67,789,468      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 3,389,473

Confidence Interval Values (5)

State Lower Limit: 64,399,995 (State Test Value minus Margin of Error Percent)
Local Test Value: 65,905,164 (Within Confidence Interval)
State Upper Limit: 71,178,941 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 69,391,471 (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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