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2007 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 5,556,661 0.9306 5,971,052 10 175 .015662133
A 5,536,729 0.9932 5,574,637 10 99 .003090893
A 5,562,562 0.9389 5,924,552 8 68 .009675729
A 5,463,505 1.0106 5,406,199 8 42 .015765680
D3 58,385,750 0.9746 59,907,398 25 3,768 .008985560
G1 16,989,960 0.9858 17,234,693 6 18 .031936633
G1 15,093,110 0.9708 15,547,085 3 6 .002637221
G1 18,960,402 1.0421 18,194,417 3 4 .000154164
Random Totals: 131,548,679   133,760,033 73 4,180  
Catg J Exception Values: 8,000,604   8,097,621      
Catg D1 Exception Values: 20,831,130   21,864,613      
Catg G1 Exception Values: 12,227,830   11,870,491      
Total Test Values (4): 172,608,243   175,592,758      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 8,779,638

Confidence Interval Values (5)

State Lower Limit: 166,813,120 (State Test Value minus Margin of Error Percent)
Local Test Value: 172,608,243 (Within Confidence Interval)
State Upper Limit: 184,372,396 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 182,155,658 (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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