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2008 Confidence Interval Detail
101/Harris
101-908/Deer Park ISD

Category Summary

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

Stratum
Variance
A 397,167,911 0.9892 401,504,156 30 4,034 .013192476
A 446,891,495 0.9723 459,623,054 31 3,493 .002317090
A 462,393,804 1.0032 460,918,864 30 2,856 .004974883
A 497,437,989 0.9845 505,269,669 30 2,193 .010005833
F1 63,232,581 1.0199 61,998,805 7 247 .012494255
F1 71,329,041 0.9612 74,208,324 8 107 .033879447
F1 62,096,392 1.0174 61,034,394 7 41 .017362378
F1 100,099,117 0.8833 113,324,031 4 17 .013311852
L1 49,196,542 0.9623 51,123,914 9 386 .018604536
L1 39,774,665 0.9615 41,367,306 8 57 .014226286
L1 59,965,493 0.9109 65,831,039 7 37 .028812899
L1 46,096,164 0.7759 59,409,929 4 9 .102752907
Random Totals: 2,295,681,194   2,355,613,485 175 13,477  
Catg D1 Exception Values: 31,355   34,633      
Total Test Values (4): 2,295,712,549   2,355,648,118      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 117,782,406

Confidence Interval Values (5)

State Lower Limit: 2,237,865,712 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,295,712,549 (Within Confidence Interval)
State Upper Limit: 2,473,430,524 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 8,327,782,982 (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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