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2010 Confidence Interval Detail
043/Collin
043-911/Princeton ISD

Category Summary

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

Stratum
Variance
A 97,837,515 0.9127 107,195,700 24 1,513 .045580907
A 94,625,437 1.0103 93,660,731 25 875 .007315222
A 97,107,846 0.9892 98,168,061 25 686 .008545187
A 81,505,752 1.0197 79,931,109 14 416 .008868871
D3 64,639,242 0.9713 66,549,204 15 1,478 .026279392
Random Totals: 435,715,792   445,504,805 103 4,968  
Catg J Exception Values: 10,630,223   12,801,189      
Catg D1 Exception Values: 2,524,506   2,573,573      
Total Test Values (4): 448,870,521   460,879,567      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 23,043,978

Confidence Interval Values (5)

State Lower Limit: 437,835,589 (State Test Value minus Margin of Error Percent)
Local Test Value: 448,870,521 (Within Confidence Interval)
State Upper Limit: 483,923,545 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 500,227,368 (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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