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2008 Confidence Interval Detail
144/Lee
144-902/Lexington ISD

Category Summary

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

Stratum
Variance
A 17,909,131 0.9685 18,491,617 7 354 .020557147
A 16,229,270 0.9689 16,750,201 7 168 .035832120
A 18,907,300 0.9793 19,306,954 8 134 .006061676
A 20,025,400 1.0516 19,042,792 7 88 .001466736
D3 160,011,506 1.0164 157,429,660 32 5,473 .057386707
Random Totals: 233,082,607   231,021,224 61 6,217  
Catg D1 Exception Values: 11,057,983   9,094,227      
Total Test Values (4): 244,140,590   240,115,451      

Margin of Error

Margin of Error Percent: 5.7030957
Margin of Error Value: 13,694,014

Confidence Interval Values (5)

State Lower Limit: 226,421,437 (State Test Value minus Margin of Error Percent)
Local Test Value: 244,140,590 (Within Confidence Interval)
State Upper Limit: 253,809,465 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 308,613,174 (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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