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2009 Confidence Interval Detail
112/Hopkins
112-906/North Hopkins ISD

Category Summary

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

Stratum
Variance
A 4,056,330 0.9444 4,295,140 11 110 .036947247
A 4,790,700 0.9740 4,918,583 7 84 .003597764
A 4,790,970 0.9455 5,067,129 7 61 .011761539
A 6,126,520 1.0259 5,971,849 10 46 .009075451
D3 42,209,040 0.9165 46,054,599 20 1,913 .078356100
G1 4,061,172 1.0081 4,028,541 3 4 .000967769
Random Totals: 66,034,732   70,335,841 58 2,218  
Catg J Exception Values: 4,369,730   4,283,987      
Catg D1 Exception Values: 5,166,380   4,410,512      
Catg G1 Exception Values: 9,883,691   9,516,421      
Total Test Values (4): 85,454,533   88,546,761      

Margin of Error

Margin of Error Percent: 6.5452005
Margin of Error Value: 5,795,563

Confidence Interval Values (5)

State Lower Limit: 82,751,198 (State Test Value minus Margin of Error Percent)
Local Test Value: 85,454,533 (Within Confidence Interval)
State Upper Limit: 94,342,324 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 77,497,357 (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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