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2009 Confidence Interval Detail
166/Milam
166-902/Gause ISD

Category Summary

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

Stratum
Variance
A 1,994,570 0.9494 2,100,874 7 87 .022711476
A 2,033,620 0.8645 2,352,366 6 47 .028995883
A 2,079,100 1.0824 1,920,824 7 31 .055655124
A 1,317,150 0.9774 1,347,606 5 11 .001205194
D3 24,573,798 0.9393 26,161,821 20 1,003 .034672014
G1 36,664,079 0.9785 37,469,677 20 49 .017270116
Random Totals: 68,662,317   71,353,168 65 1,228  
Catg J Exception Values: 3,353,420   3,461,959      
Catg D1 Exception Values: 3,525,211   3,376,744      
Total Test Values (4): 75,540,948   78,191,871      

Margin of Error

Margin of Error Percent: 5.0000006
Margin of Error Value: 3,909,594

Confidence Interval Values (5)

State Lower Limit: 74,282,277 (State Test Value minus Margin of Error Percent)
Local Test Value: 75,540,948 (Within Confidence Interval)
State Upper Limit: 82,101,465 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 75,673,245 (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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