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2007 Confidence Interval Detail
148/Lipscomb
148-901/Booker ISD

Category Summary

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

Stratum
Variance
A 3,905,607 0.6217 6,282,141 16 146 .083697158
A 3,886,651 0.8582 4,528,841 15 72 .021410622
A 3,922,296 0.8437 4,648,923 14 55 .011242733
A 3,835,952 0.9310 4,120,249 14 36 .031258504
D3 6,254,700 0.9360 6,682,372 20 999 .028251255
G1 37,722,447 1.0698 35,261,214 15 120 .055520052
G1 37,617,003 1.0332 36,408,249 15 47 .029567006
G1 39,483,208 1.2038 32,798,810 15 22 .243468362
Random Totals: 136,627,864   130,730,799 124 1,497  
Catg J Exception Values: 3,108,377   2,970,070      
Catg D1 Exception Values: 10,089,788   14,263,052      
Catg G1 Exception Values: 35,101,485   32,470,841      
Total Test Values (4): 184,927,514   180,434,762      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 9,021,738

Confidence Interval Values (5)

State Lower Limit: 171,413,024 (State Test Value minus Margin of Error Percent)
Local Test Value: 184,927,514 (Within Confidence Interval)
State Upper Limit: 189,456,500 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 208,487,193 (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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