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2008 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 5,269,710 0.9930 5,306,858 7 163 .025316974
A 5,697,510 0.9818 5,803,127 7 102 .007822393
A 5,789,940 0.9407 6,154,927 7 72 .006700458
A 6,020,800 1.0203 5,901,010 6 46 .005239073
D3 64,383,240 0.9935 64,804,469 23 3,851 .011749761
G1 21,796,130 1.0617 20,529,462 5 18 .008675315
G1 22,349,440 1.0358 21,576,984 3 6 .000532908
G1 21,263,511 1.0265 20,714,575 3 4 .000117923
Random Totals: 152,570,281   150,791,412 61 4,262  
Catg J Exception Values: 9,296,553   9,636,792      
Catg D1 Exception Values: 21,624,780   23,484,835      
Catg G1 Exception Values: 19,302,070   18,825,548      
Total Test Values (4): 202,793,684   202,738,587      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 10,136,929

Confidence Interval Values (5)

State Lower Limit: 192,601,658 (State Test Value minus Margin of Error Percent)
Local Test Value: 202,793,684 (Within Confidence Interval)
State Upper Limit: 212,875,516 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 227,848,376 (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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