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2006 Confidence Interval Detail
148/Lipscomb
148-902/Follett ISD

Category Summary

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

Stratum
Variance
D3 6,158,744 0.8429 7,306,613 10 1,033 .040023974
G1 44,721,027 1.2378 36,129,445 15 156 .064518197
G1 44,518,512 1.2359 36,021,128 14 72 .029859390
G1 44,839,425 0.9529 47,055,751 12 36 .092262351
G1 43,940,454 1.2637 34,771,270 8 13 .156597943
Random Totals: 184,178,162   161,284,207 59 1,310  
Catg D1 Exception Values: 9,655,974   13,084,322      
Total Test Values (4): 193,834,136   174,368,529      

Margin of Error

Margin of Error Percent: 6.0808370
Margin of Error Value: 10,603,066

Confidence Interval Values (5)

State Lower Limit: 163,765,463 (State Test Value minus Margin of Error Percent)
State Upper Limit: 184,971,595 (State Test Value plus Margin of Error Percent)
Local Test Value: 193,834,136 (Outside Confidence Interval)
Value Assigned (6): 217,844,914 (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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