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2008 Confidence Interval Detail
045/Colorado
045-903/Rice CISD

Category Summary

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

Stratum
Variance
A 21,433,947 0.8292 25,848,947 9 748 .133376769
A 24,657,710 0.9507 25,936,373 18 431 .073584274
A 23,829,690 0.9778 24,370,720 7 258 .007258014
A 26,615,520 0.9750 27,297,969 7 156 .004298133
D3 87,056,600 1.0091 86,271,529 34 4,954 .018891393
G1 30,884,280 0.8320 37,120,529 15 41 .211187952
G1 29,141,638 0.9838 29,621,506 11 18 .003238410
G1 31,275,589 0.9380 33,342,845 8 11 .019938823
Random Totals: 274,894,974   289,810,418 109 6,617  
Catg J Exception Values: 19,343,511   19,251,437      
Catg D1 Exception Values: 50,988,331   55,595,512      
Catg G1 Exception Values: 183,055,943   177,480,446      
Total Test Values (4): 528,282,759   542,137,813      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 27,106,891

Confidence Interval Values (5)

State Lower Limit: 515,030,922 (State Test Value minus Margin of Error Percent)
Local Test Value: 528,282,759 (Within Confidence Interval)
State Upper Limit: 569,244,704 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 643,710,027 (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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