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2008 Confidence Interval Detail
101/Harris
101-909/North Forest ISD

Category Summary

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

Stratum
Variance
A 274,209,250 1.0183 269,281,400 26 5,549 .017486728
A 231,440,950 0.9716 238,206,000 27 3,443 .003604038
A 229,462,287 0.9701 236,534,674 32 2,818 .004988888
A 251,911,893 0.9432 267,082,160 24 2,143 .024893699
F1 54,177,279 0.9776 55,418,657 12 354 .017911141
F1 54,181,576 0.9161 59,143,735 10 73 .006645131
F1 58,658,317 0.8626 68,001,759 6 20 .021154170
F1 62,473,239 0.9374 66,645,230 5 8 .006047874
L1 37,164,692 0.9333 39,820,735 12 266 .041038354
L1 42,400,904 0.8855 47,883,573 9 28 .024169158
L1 42,442,509 0.9560 44,395,930 6 11 .011455328
L1 34,744,604 1.0863 31,984,354 3 3 .012550103
Random Totals: 1,373,267,500   1,424,398,207 172 14,716  
Catg D1 Exception Values: 322,057   328,078      
Total Test Values (4): 1,373,589,557   1,424,726,285      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 71,236,314

Confidence Interval Values (5)

State Lower Limit: 1,353,489,971 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,373,589,557 (Within Confidence Interval)
State Upper Limit: 1,495,962,599 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,620,572,943 (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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