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2010 Confidence Interval Detail
113/Houston
113-903/Lovelady ISD

Category Summary

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

Stratum
Variance
A 5,786,080 0.9850 5,874,193 9 163 .003407546
A 6,037,890 0.9608 6,284,232 9 98 .003838646
A 6,163,940 0.9978 6,177,531 9 72 .009807237
A 6,372,760 0.9928 6,418,977 8 46 .001051843
D3 66,955,740 0.9357 71,556,845 24 3,912 .023263950
G1 20,156,541 0.9700 20,779,939 7 19 .003667545
G1 21,408,850 1.0463 20,461,483 4 7 .010318742
G1 17,316,220 1.0364 16,708,047 2 3 .000007050
Random Totals: 150,198,021   154,261,247 72 4,320  
Catg J Exception Values: 9,356,592   9,409,360      
Catg D1 Exception Values: 21,180,930   23,489,114      
Catg G1 Exception Values: 18,494,470   18,289,629      
Total Test Values (4): 199,230,013   205,449,350      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 10,272,468

Confidence Interval Values (5)

State Lower Limit: 195,176,882 (State Test Value minus Margin of Error Percent)
Local Test Value: 199,230,013 (Within Confidence Interval)
State Upper Limit: 215,721,818 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 240,582,237 (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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