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2006 Confidence Interval Detail
140/Lamb
140-901/Amherst ISD

Category Summary

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

Stratum
Variance
A 1,606,945 0.8482 1,894,535 15 143 .034281255
A 1,590,655 0.8644 1,840,184 15 63 .070568115
A 1,586,316 0.8685 1,826,501 15 33 .012152490
A 1,592,282 0.9527 1,671,336 9 14 .006187505
D3 2,768,020 0.9796 2,825,664 20 621 .001562992
L1 1,787,810 0.9722 1,838,932 10 59 .000781658
Random Totals: 10,932,028   11,897,152 84 933  
Catg J Exception Values: 2,867,420   2,815,114      
Catg D1 Exception Values: 8,097,420   9,927,874      
Total Test Values (4): 21,896,868   24,640,140      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,232,007

Confidence Interval Values (5)

Local Test Value: 21,896,868 (Outside Confidence Interval)
State Lower Limit: 23,408,133 (State Test Value minus Margin of Error Percent)
State Upper Limit: 25,872,147 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 33,310,299 (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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