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2009 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 24,958,116 0.9303 26,828,030 7 799 .113586776
A 21,639,250 0.9499 22,780,556 7 355 .028820142
A 23,452,000 0.9892 23,708,047 9 240 .018956541
A 23,879,610 0.9764 24,456,790 8 133 .006141960
D3 90,735,902 0.9515 95,360,906 29 4,956 .004936358
G1 30,892,284 1.0361 29,815,929 13 38 .032955028
G1 29,832,058 0.9624 30,997,567 9 17 .022272790
G1 36,945,863 1.0563 34,976,676 7 11 .034607685
Random Totals: 282,335,083   288,924,501 89 6,549  
Catg J Exception Values: 19,272,103   20,010,940      
Catg D1 Exception Values: 55,270,134   60,544,402      
Catg G1 Exception Values: 157,997,273   154,225,392      
Total Test Values (4): 514,874,593   523,705,235      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 26,185,262

Confidence Interval Values (5)

State Lower Limit: 497,519,973 (State Test Value minus Margin of Error Percent)
Local Test Value: 514,874,593 (Within Confidence Interval)
State Upper Limit: 549,890,497 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 620,924,888 (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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