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2009 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 39,451,288 0.9850 40,052,069 12 703 .023111469
A 36,122,794 0.9659 37,398,068 12 390 .017907382
A 38,575,732 0.9008 42,823,859 13 301 .012547954
A 55,637,288 1.0301 54,011,541 11 265 .007360299
D3 94,650,706 1.0505 90,100,624 20 3,034 .046493079
F1 7,824,590 0.9442 8,287,005 8 103 .032576889
F1 8,405,637 0.9733 8,636,224 6 36 .001434000
F1 8,736,573 0.9949 8,781,358 4 14 .001232259
F1 9,441,427 0.9976 9,464,141 2 5 .000610201
L1 5,342,306 0.9886 5,403,911 7 152 .001680805
L1 5,674,480 1.0089 5,624,423 6 37 .000593329
L1 5,222,941 1.0089 5,176,867 6 13 .001308880
L1 5,295,060 0.9910 5,343,148 2 3 .002853921
Random Totals: 320,380,822   321,103,238 109 5,056  
Catg D1 Exception Values: 10,182,664   9,619,623      
Total Test Values (4): 330,563,486   330,722,861      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 16,536,143

Confidence Interval Values (5)

State Lower Limit: 314,186,718 (State Test Value minus Margin of Error Percent)
Local Test Value: 330,563,486 (Within Confidence Interval)
State Upper Limit: 347,259,004 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 299,318,516 (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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