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2011 Confidence Interval Detail
138/Knox
138-904/Benjamin ISD

Category Summary

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

Stratum
Variance
A 409,740 0.6639 617,171 10 39 .048297874
A 445,400 0.8120 548,522 10 23 .061750411
A 914,430 1.0049 909,971 10 34 .045378724
A 1,140,660 1.0289 1,108,621 5 22 .052078544
D3 1,920,290 0.7716 2,488,712 21 1,133 .067965196
G1 410,360 1.0270 399,572 6 16 .022459258
L1 539,010 1.1649 462,709 10 35 .144336604
Random Totals: 5,779,890   6,535,278 72 1,302  
Catg J Exception Values: 1,580,480   1,687,251      
Catg D1 Exception Values: 14,992,860   13,231,305      
Catg G1 Exception Values: 2,188,510   2,163,138      
Total Test Values (4): 24,541,740   23,616,972      

Margin of Error

Margin of Error Percent: 5.0000017
Margin of Error Value: 1,180,849

Confidence Interval Values (5)

State Lower Limit: 22,436,123 (State Test Value minus Margin of Error Percent)
Local Test Value: 24,541,740 (Within Confidence Interval)
State Upper Limit: 24,797,821 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 27,158,990 (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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