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2006 Confidence Interval Detail
110/Hockley
110-907/Sundown ISD

Category Summary

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

Stratum
Variance
A 4,005,558 0.6661 6,013,448 7 194 .363322314
A 3,997,850 0.7979 5,010,465 7 96 .053628533
A 4,030,573 0.9769 4,125,881 7 65 .015737156
A 3,920,394 0.8740 4,485,577 7 44 .008355156
G1 222,799,604 0.8056 276,563,560 5 14 .144099863
G1 177,173,700 1.0325 171,596,804 3 4 .076923950
G1 261,067,597 0.9972 261,800,639 2 3 .042420624
Random Totals: 676,995,276   729,596,374 38 420  
Catg D1 Exception Values: 4,096,989   4,403,621      
Catg G1 Exception Values: 405,423,001   490,476,393      
Total Test Values (4): 1,086,515,266   1,224,476,388      

Margin of Error

Margin of Error Percent: 7.6021875
Margin of Error Value: 93,086,991

Confidence Interval Values (5)

Local Test Value: 1,086,515,266 (Outside Confidence Interval)
State Lower Limit: 1,131,389,397 (State Test Value minus Margin of Error Percent)
State Upper Limit: 1,317,563,379 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,284,401,095 (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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