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2009 Confidence Interval Detail
101/Harris
084-910/Clear Creek ISD

Category Summary

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

Stratum
Variance
A 1,710,090,032 0.9585 1,784,131,489 31 13,336 .010266485
A 1,664,950,205 0.9701 1,716,266,576 32 9,747 .011183051
A 1,609,534,143 0.9451 1,703,030,518 36 6,698 .023512343
A 1,554,414,982 0.9846 1,578,727,384 29 3,450 .011543477
B 157,376,147 0.9601 163,916,412 6 32 .001767954
B 165,068,063 1.0196 161,894,923 7 18 .002143533
B 152,078,515 0.9839 154,567,044 5 10 .002507906
B 244,493,215 1.0027 243,834,861 3 10 .001552063
F1 510,318,017 0.8959 569,614,931 10 520 .033988275
F1 507,667,027 0.9505 534,105,236 8 132 .001317783
F1 508,939,281 0.9557 532,530,377 9 49 .006699785
F1 466,787,204 0.9392 497,005,115 5 13 .013501256
L1 144,199,031 0.9817 146,887,064 8 1,274 .011909059
L1 151,897,987 0.9913 153,231,098 8 206 .074047709
L1 122,998,150 0.9436 130,349,883 7 41 .015644092
L1 124,892,158 0.9655 129,354,902 4 10 .004419023
Random Totals: 9,795,704,157   10,199,447,813 208 35,546  
Catg D1 Exception Values: 2,984,779   2,212,303      
Total Test Values (4): 9,798,688,936   10,201,660,116      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 510,083,006

Confidence Interval Values (5)

State Lower Limit: 9,691,577,110 (State Test Value minus Margin of Error Percent)
Local Test Value: 9,798,688,936 (Within Confidence Interval)
State Upper Limit: 10,711,743,122 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 10,452,300,495 (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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