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2010 Confidence Interval Detail
161/McLennan
018-904/Valley Mills ISD

Category Summary

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

Stratum
Variance
A 5,127,645 1.0420 4,920,964 8 51 .025961300
A 5,247,461 0.9787 5,361,664 10 36 .000687816
A 5,706,787 1.0099 5,650,844 8 31 .004724885
A 4,847,874 1.0090 4,804,632 8 19 .000438105
D3 23,157,962 0.9683 23,916,102 20 600 .042239526
Random Totals: 44,087,729   44,654,206 54 737  
Catg J Exception Values: 2,860,567   2,973,415      
Catg D1 Exception Values: 1,714,232   1,260,114      
Total Test Values (4): 48,662,528   48,887,735      

Margin of Error

Margin of Error Percent: 5.0000005
Margin of Error Value: 2,444,387

Confidence Interval Values (5)

State Lower Limit: 46,443,348 (State Test Value minus Margin of Error Percent)
Local Test Value: 48,662,528 (Within Confidence Interval)
State Upper Limit: 51,332,122 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 43,620,079 (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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