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2007 Confidence Interval Detail
145/Leon
145-902/Centerville ISD

Category Summary

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

Stratum
Variance
A 5,911,810 0.9585 6,167,773 8 248 .092708671
A 5,919,543 1.0010 5,913,629 9 134 .009030587
A 5,900,758 0.8633 6,835,119 7 85 .020885548
A 5,877,330 0.9595 6,125,409 7 52 .011377599
D3 112,147,930 0.9631 116,444,741 44 5,526 .075063989
G1 12,051,400 1.0303 11,696,981 9 39 .002970676
G1 11,716,920 0.9939 11,788,832 6 11 .001485611
G1 21,767,227 0.9996 21,775,937 3 4 .006228820
Random Totals: 181,292,918   186,748,421 93 6,099  
Catg J Exception Values: 4,781,165   4,820,776      
Catg D1 Exception Values: 13,026,230   12,410,081      
Catg G1 Exception Values: 16,230,343   17,327,601      
Total Test Values (4): 215,330,656   221,306,879      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 11,065,344

Confidence Interval Values (5)

State Lower Limit: 210,241,535 (State Test Value minus Margin of Error Percent)
Local Test Value: 215,330,656 (Within Confidence Interval)
State Upper Limit: 232,372,223 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 235,238,232 (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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