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2006 Confidence Interval Detail
093/Grimes
093-905/Richards ISD

Category Summary

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

Stratum
Variance
A 1,301,952 0.9806 1,327,710 6 59 .015710925
A 1,273,374 0.9887 1,287,928 6 27 .016593230
A 1,305,154 1.0560 1,235,941 5 17 .017858102
A 1,245,977 1.0535 1,182,702 4 10 .004048269
D3 13,650,260 1.0088 13,531,186 11 637 .011149264
G1 28,473,582 0.9333 30,508,499 7 21 .053970674
Random Totals: 47,250,299   49,073,966 39 771  
Catg J Exception Values: 5,151,350   5,045,314      
Catg D1 Exception Values: 2,357,710   2,288,548      
Total Test Values (4): 54,759,359   56,407,828      

Margin of Error

Margin of Error Percent: 8.0304368
Margin of Error Value: 4,529,795

Confidence Interval Values (5)

State Lower Limit: 51,878,033 (State Test Value minus Margin of Error Percent)
Local Test Value: 54,759,359 (Within Confidence Interval)
State Upper Limit: 60,937,623 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 60,987,369 (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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