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2009 Confidence Interval Detail
014/Bell
014-905/Holland ISD

Category Summary

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

Stratum
Variance
A 8,014,302 0.9764 8,208,011 7 205 .005007742
A 8,403,537 0.9776 8,596,089 8 119 .005882599
A 7,935,546 1.0044 7,900,783 6 71 .003907338
A 7,902,831 0.9068 8,715,076 6 40 .009172413
D3 38,677,343 0.9879 39,151,071 20 1,303 .017055954
Random Totals: 70,933,559   72,571,030 47 1,738  
Catg J Exception Values: 5,459,421   5,438,058      
Catg D1 Exception Values: 7,286,417   6,411,316      
Total Test Values (4): 83,679,397   84,420,404      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 4,221,020

Confidence Interval Values (5)

State Lower Limit: 80,199,384 (State Test Value minus Margin of Error Percent)
Local Test Value: 83,679,397 (Within Confidence Interval)
State Upper Limit: 88,641,424 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 81,077,894 (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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