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2009 Confidence Interval Detail
148/Lipscomb
148-903/Higgins ISD

Category Summary

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

Stratum
Variance
D3 3,830,700 0.8467 4,524,271 10 716 .003494132
G1 62,785,174 0.9785 64,164,715 7 117 .005434090
G1 63,484,661 1.0156 62,509,513 6 56 .003815208
G1 61,854,729 0.9987 61,935,245 6 32 .001428873
G1 62,525,100 1.0004 62,500,100 5 14 .000644300
Random Totals: 254,480,364   255,633,844 34 935  
Catg J Exception Values: 9,306,052   9,682,281      
Catg D1 Exception Values: 6,104,750   7,746,985      
Total Test Values (4): 269,891,166   273,063,110      

Margin of Error

Margin of Error Percent: 5.0000002
Margin of Error Value: 13,653,156

Confidence Interval Values (5)

State Lower Limit: 259,409,954 (State Test Value minus Margin of Error Percent)
Local Test Value: 269,891,166 (Within Confidence Interval)
State Upper Limit: 286,716,266 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 332,835,969 (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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