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2011 Confidence Interval Detail
110/Hockley
110-906/Smyer ISD

Category Summary

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

Stratum
Variance
A 4,044,190 0.9908 4,081,742 10 112 .005108494
A 4,324,410 0.9754 4,433,473 10 71 .004519711
A 4,104,880 0.9488 4,326,391 10 48 .006049514
A 4,076,110 0.9955 4,094,535 10 31 .002227741
D3 20,978,848 0.9937 21,111,853 16 892 .001465518
G1 24,970,120 0.9848 25,355,524 7 27 .027629799
Random Totals: 62,498,558   63,403,518 63 1,181  
Catg J Exception Values: 190,190   228,796      
Catg D1 Exception Values: 13,712,928   13,613,006      
Catg G1 Exception Values: 20,888,200   21,046,765      
Total Test Values (4): 97,289,876   98,292,085      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,914,604

Confidence Interval Values (5)

State Lower Limit: 93,377,481 (State Test Value minus Margin of Error Percent)
Local Test Value: 97,289,876 (Within Confidence Interval)
State Upper Limit: 103,206,689 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 102,737,040 (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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