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2007 Confidence Interval Detail
110/Hockley
110-902/Levelland ISD

Category Summary

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

Stratum
Variance
A 65,714,874 0.7370 89,165,365 37 1,862 .039570655
A 65,651,078 0.8614 76,214,393 39 865 .030807500
A 65,692,296 0.8308 79,071,131 35 616 .017013897
A 65,618,392 0.8552 76,728,709 25 386 .016630881
G1 102,048,761 0.9765 104,504,620 6 63 .004915902
G1 109,997,613 0.9701 113,387,912 4 12 .032980603
G1 136,492,472 0.9681 140,990,055 3 4 .001511035
Random Totals: 611,215,486   680,062,185 149 3,808  
Catg D1 Exception Values: 35,175,926   34,540,761      
Catg G1 Exception Values: 406,211,606   389,528,837      
Total Test Values (4): 1,052,603,018   1,104,131,783      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 55,206,589

Confidence Interval Values (5)

State Lower Limit: 1,048,925,194 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,052,603,018 (Within Confidence Interval)
State Upper Limit: 1,159,338,372 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,292,067,556 (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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