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2011 Confidence Interval Detail
119/Jack
119-903/Perrin-Whitt CISD

Category Summary

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

Stratum
Variance
D3 29,424,690 0.9017 32,632,461 15 1,655 .286491829
G1 15,926,860 0.9936 16,029,448 9 96 .017255475
G1 15,785,950 0.9696 16,280,889 7 28 .014697111
G1 16,451,440 0.9594 17,147,634 6 13 .005931654
G1 14,343,079 1.0399 13,792,748 2 3 .003175405
Random Totals: 91,932,019   95,883,180 39 1,795  
Catg J Exception Values: 75,306   72,975      
Catg D1 Exception Values: 4,867,890   4,075,764      
Total Test Values (4): 96,875,215   100,031,919      

Margin of Error

Margin of Error Percent: 9.3600974
Margin of Error Value: 9,363,085

Confidence Interval Values (5)

State Lower Limit: 90,668,834 (State Test Value minus Margin of Error Percent)
Local Test Value: 96,875,215 (Within Confidence Interval)
State Upper Limit: 109,395,004 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 253,172,162 (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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