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2007 Confidence Interval Detail
148/Lipscomb
148-905/Darrouzett ISD

Category Summary

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

Stratum
Variance
D3 3,092,578 0.9020 3,428,579 10 633 .009375193
G1 40,910,439 1.2235 33,437,220 15 125 .069850111
G1 40,144,900 1.1114 36,121,019 15 61 .017588881
G1 41,405,208 1.0788 38,380,801 15 37 .037512167
G1 39,499,158 1.1473 34,427,925 15 19 .027144278
Random Totals: 165,052,283   145,795,544 70 875  
Catg J Exception Values: 1,436,162   1,097,965      
Catg D1 Exception Values: 6,025,011   8,084,273      
Total Test Values (4): 172,513,456   154,977,782      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 7,748,889

Confidence Interval Values (5)

State Lower Limit: 147,228,893 (State Test Value minus Margin of Error Percent)
State Upper Limit: 162,726,671 (State Test Value plus Margin of Error Percent)
Local Test Value: 172,513,456 (Outside Confidence Interval)
Value Assigned (6): 197,767,108 (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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