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2010 Confidence Interval Detail
043/Collin
043-903/Celina ISD

Category Summary

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

Stratum
Variance
A 90,808,009 0.9777 92,879,216 28 730 .005206763
A 82,381,899 0.9988 82,480,876 17 450 .003513583
A 83,829,521 1.0002 83,812,758 17 304 .001859178
A 81,315,319 1.0100 80,510,217 9 173 .003487557
D3 176,247,493 0.9762 180,544,451 16 2,879 .018517923
F1 11,161,725 1.0033 11,125,012 9 40 .003237747
F1 14,165,993 0.9981 14,192,960 7 9 .000620958
Random Totals: 539,909,959   545,545,490 103 4,585  
Catg J Exception Values: 14,692,657   23,080,056      
Catg D1 Exception Values: 6,389,103   6,149,928      
Catg F1 Exception Values: 8,697,180   8,640,885      
Total Test Values (4): 569,688,899   583,416,359      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 29,170,818

Confidence Interval Values (5)

State Lower Limit: 554,245,541 (State Test Value minus Margin of Error Percent)
Local Test Value: 569,688,899 (Within Confidence Interval)
State Upper Limit: 612,587,177 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 622,338,555 (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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