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2007 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 4,037,924 0.8923 4,525,299 10 639 .001296696
G1 45,774,979 1.0466 43,736,842 15 86 .010280563
G1 45,720,773 1.0445 43,772,880 15 41 .021062076
G1 47,240,445 1.0325 45,753,458 15 28 .014955723
G1 43,500,031 0.9886 44,001,650 11 14 .006106247
Random Totals: 186,274,152   181,790,129 66 808  
Catg J Exception Values: 8,452,627   9,091,176      
Catg D1 Exception Values: 6,114,864   7,380,355      
Total Test Values (4): 200,841,643   198,261,660      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 9,913,083

Confidence Interval Values (5)

State Lower Limit: 188,348,577 (State Test Value minus Margin of Error Percent)
Local Test Value: 200,841,643 (Within Confidence Interval)
State Upper Limit: 208,174,743 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 226,283,223 (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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