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2011 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 429,701,405 0.9824 437,399,639 44 4,493 .038198238
A 418,150,752 0.9677 432,107,835 47 3,305 .013325633
A 420,650,958 0.9705 433,437,360 51 2,587 .010872732
A 407,149,591 0.9966 408,538,622 47 1,786 .008543830
F1 81,543,901 0.9862 82,684,953 10 259 .011106095
F1 88,386,542 0.9095 97,181,465 9 100 .013760568
F1 86,801,774 0.9996 86,836,509 9 39 .025722654
F1 82,666,845 0.9650 85,665,124 5 11 .007910299
L1 54,784,481 0.9151 59,867,207 11 375 .030770783
L1 55,384,912 0.9091 60,922,794 10 64 .041959006
L1 54,894,330 0.9255 59,313,160 9 30 .019388946
L1 79,272,726 0.9785 81,014,539 5 13 .001498909
Random Totals: 2,259,388,217   2,324,969,207 257 13,062  
Catg D1 Exception Values: 20,006   20,731      
Total Test Values (4): 2,259,408,223   2,324,989,938      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 116,249,497

Confidence Interval Values (5)

State Lower Limit: 2,208,740,441 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,259,408,223 (Within Confidence Interval)
State Upper Limit: 2,441,239,435 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 7,068,149,122 (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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