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2006 Confidence Interval Detail
188/Potter
188-902/River Road ISD

Category Summary

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

Stratum
Variance
A 41,811,649 0.9188 45,506,801 18 627 .037912000
A 41,847,318 0.9349 44,761,277 16 429 .021673171
A 41,823,556 0.9875 42,352,968 17 359 .009911386
A 41,567,541 0.9678 42,950,549 14 260 .014259604
G1 17,964,160 0.9407 19,096,588 8 42 .003115302
Random Totals: 185,014,224   194,668,183 73 1,717  
Catg J Exception Values: 8,707,341   9,366,848      
Catg D1 Exception Values: 2,758,335   3,444,671      
Catg G1 Exception Values: 8,530,180   8,261,640      
Total Test Values (4): 205,010,080   215,741,342      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 10,787,067

Confidence Interval Values (5)

State Lower Limit: 204,954,275 (State Test Value minus Margin of Error Percent)
Local Test Value: 205,010,080 (Within Confidence Interval)
State Upper Limit: 226,528,409 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 205,707,044 (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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