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2008 Confidence Interval Detail
101/Harris
101-911/Goose Creek CISD

Category Summary

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

Stratum
Variance
A 500,163,518 0.9597 521,166,529 34 7,770 .009020145
A 518,260,921 0.9924 522,229,868 34 5,140 .007754496
A 555,749,865 1.0086 551,011,169 36 4,196 .005715751
A 586,698,858 1.0124 579,512,898 29 2,837 .014522246
B 215,361,243 1.0805 199,316,282 10 368 .057442027
F1 588,229,592 0.9544 616,334,443 15 1,708 .047677271
L1 56,940,120 1.0103 56,359,616 7 823 .001399610
L1 51,768,346 0.9808 52,781,756 7 129 .004251283
L1 53,404,694 1.0076 53,001,880 7 45 .012991603
L1 88,796,902 0.9574 92,747,965 5 18 .002327225
Random Totals: 3,215,374,059   3,244,462,406 184 23,034  
Catg D1 Exception Values: 1,111,086   1,138,931      
Total Test Values (4): 3,216,485,145   3,245,601,337      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 162,280,067

Confidence Interval Values (5)

State Lower Limit: 3,083,321,270 (State Test Value minus Margin of Error Percent)
Local Test Value: 3,216,485,145 (Within Confidence Interval)
State Upper Limit: 3,407,881,404 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 7,011,563,697 (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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