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2011 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 81,445,750 0.9050 89,995,304 24 1,853 .048093471
A 81,499,050 0.9323 87,417,194 14 905 .010500333
A 82,780,240 0.9506 87,082,096 16 651 .010879459
A 83,293,890 0.9706 85,816,907 13 397 .012522508
G1 126,589,818 0.9652 131,153,976 10 75 .022299118
G1 129,039,090 1.0396 124,123,788 9 16 .020031698
G1 118,279,787 1.0148 116,554,776 3 4 .000421695
Random Totals: 702,927,625   722,144,041 89 3,901  
Catg D1 Exception Values: 43,608,544   47,455,546      
Catg G1 Exception Values: 491,213,465   480,385,826      
Total Test Values (4): 1,237,749,634   1,249,985,413      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 62,499,271

Confidence Interval Values (5)

State Lower Limit: 1,187,486,142 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,237,749,634 (Within Confidence Interval)
State Upper Limit: 1,312,484,684 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 1,546,242,157 (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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