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2008 Confidence Interval Detail
101/Harris
101-916/La Porte ISD

Category Summary

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

Stratum
Variance
A 272,208,600 0.9856 276,185,674 31 2,910 .006489683
A 427,529,520 0.9932 430,456,625 36 3,667 .007705017
A 423,784,163 0.9921 427,158,717 26 2,915 .006063885
A 433,507,407 1.0164 426,512,600 27 1,891 .007581055
F1 114,831,291 0.9447 121,553,182 17 295 .013527758
F1 107,697,627 0.8567 125,712,183 12 80 .011116450
F1 138,139,202 0.9217 149,874,365 5 34 .007977475
F1 252,070,748 0.8818 285,859,320 2 14 .021769056
L1 82,556,691 0.9959 82,896,567 9 359 .016900107
L1 80,793,617 1.0167 79,466,526 11 69 .001537818
L1 187,728,717 0.9835 190,878,207 8 39 .004745895
Random Totals: 2,520,847,583   2,596,553,966 184 12,273  
Catg D1 Exception Values: 232,904   241,147      
Total Test Values (4): 2,521,080,487   2,596,795,113      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 129,839,756

Confidence Interval Values (5)

State Lower Limit: 2,466,955,357 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,521,080,487 (Within Confidence Interval)
State Upper Limit: 2,726,634,869 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 6,148,856,499 (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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