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2010 Confidence Interval Detail
161/McLennan
161-916/West ISD

Category Summary

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

Stratum
Variance
A 40,797,677 1.0158 40,163,100 20 702 .032165628
A 41,469,328 0.9924 41,786,909 11 422 .008304177
A 46,832,697 0.9931 47,158,088 16 329 .006812205
A 51,042,794 1.0067 50,703,083 9 217 .007111033
D3 98,204,215 1.0596 92,680,460 21 3,042 .028119233
F1 8,848,245 0.8182 10,814,281 9 109 .107708893
F1 8,361,544 0.9120 9,168,360 8 32 .013596470
F1 12,159,007 0.9659 12,588,267 5 16 .026103117
F1 5,340,016 0.9872 5,409,254 3 3 .050115810
L1 5,246,606 1.0610 4,944,963 9 150 .024223369
L1 4,599,902 0.9514 4,834,877 8 31 .032650987
L1 5,530,385 0.9521 5,808,618 6 13 .053111943
L1 3,962,916 0.9961 3,978,432 2 3 .000079564
Random Totals: 332,395,332   330,038,692 127 5,069  
Catg J Exception Values: 13,460,513   15,104,606      
Catg D1 Exception Values: 10,159,118   10,983,528      
Total Test Values (4): 356,014,963   356,126,826      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 17,806,341

Confidence Interval Values (5)

State Lower Limit: 338,320,485 (State Test Value minus Margin of Error Percent)
Local Test Value: 356,014,963 (Within Confidence Interval)
State Upper Limit: 373,933,167 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 308,542,733 (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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