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2007 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 360,629,259 0.9654 373,554,236 48 3,725 .002519464
A 360,574,597 0.9910 363,849,240 88 3,012 .005098920
A 360,770,251 0.9826 367,158,814 84 2,428 .005453453
A 360,228,131 1.0037 358,900,200 47 1,558 .005608158
F1 105,161,195 0.8314 126,486,884 7 272 .051044065
F1 107,153,994 0.9088 117,907,124 7 88 .019726532
F1 111,791,736 0.8190 136,497,846 8 32 .033764999
F1 95,764,479 0.9045 105,875,599 3 10 .002791160
L1 85,920,253 0.9667 88,879,956 7 405 .008368037
L1 86,664,728 0.9821 88,244,301 7 79 .011127042
L1 94,751,743 1.1268 84,089,229 6 27 .241173685
L1 81,335,083 0.9332 87,157,183 5 7 .018439145
Random Totals: 2,210,745,449   2,298,600,612 317 11,643  
Catg D1 Exception Values: 238,468   219,910      
Total Test Values (4): 2,210,983,917   2,298,820,522      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 114,941,026

Confidence Interval Values (5)

State Lower Limit: 2,183,879,496 (State Test Value minus Margin of Error Percent)
Local Test Value: 2,210,983,917 (Within Confidence Interval)
State Upper Limit: 2,413,761,548 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 5,701,956,302 (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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