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2008 Confidence Interval Detail
236/Walker
236-901/New Waverly ISD

Category Summary

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

Stratum
Variance
A 14,513,670 0.9161 15,842,888 16 343 .012363015
A 15,173,030 0.9029 16,804,774 13 208 .021976376
A 16,111,370 0.8858 18,188,496 13 150 .024604627
A 17,007,140 0.9659 17,607,558 12 88 .001843451
C 8,355,470 0.9421 8,868,984 9 537 .024826232
C 2,588,190 0.9804 2,639,933 8 91 .018659823
C 3,148,900 0.9828 3,204,009 8 81 .029866587
C 4,074,430 0.9077 4,488,741 8 67 .019198491
D3 74,127,950 0.9470 78,276,610 20 1,945 .033987498
Random Totals: 155,100,150   165,921,993 107 3,510  
Catg J Exception Values: 7,301,177   7,336,201      
Catg D1 Exception Values: 5,765,310   5,808,710      
Total Test Values (4): 168,166,637   179,066,904      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 8,953,345

Confidence Interval Values (5)

Local Test Value: 168,166,637 (Outside Confidence Interval)
State Lower Limit: 170,113,559 (State Test Value minus Margin of Error Percent)
State Upper Limit: 188,020,249 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 182,815,417 (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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