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2008 Confidence Interval Detail
161/McLennan
161-922/Robinson ISD

Category Summary

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

Stratum
Variance
A 62,847,088 0.8874 70,821,600 23 836 .017997727
A 83,150,134 0.9292 89,485,723 28 785 .009243225
A 84,793,365 0.9941 85,296,615 29 589 .006890763
A 95,589,101 1.0017 95,426,875 43 458 .006478070
D3 61,856,954 0.9696 63,796,363 14 1,719 .059675924
F1 6,127,994 1.0080 6,079,359 6 54 .008192459
F1 8,843,218 0.9341 9,467,100 5 21 .004451892
F1 9,818,808 1.0086 9,735,086 3 7 .002494190
Random Totals: 413,026,662   430,108,721 151 4,469  
Catg D1 Exception Values: 5,717,435   5,106,642      
Catg F1 Exception Values: 5,901,422   5,732,511      
Total Test Values (4): 424,645,519   440,947,874      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 22,047,394

Confidence Interval Values (5)

State Lower Limit: 418,900,480 (State Test Value minus Margin of Error Percent)
Local Test Value: 424,645,519 (Within Confidence Interval)
State Upper Limit: 462,995,268 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 420,483,322 (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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