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2011 Confidence Interval Detail
166/Milam
166-901/Cameron ISD

Category Summary

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

Stratum
Variance
A 25,647,740 1.1295 22,707,162 12 852 .102212646
A 25,552,580 1.0439 24,477,996 11 462 .021347206
A 25,883,430 1.0388 24,916,663 11 296 .016460715
A 27,228,160 1.0213 26,660,296 10 174 .010022713
D3 73,602,770 0.9136 80,563,452 18 4,239 .039351553
F1 8,151,338 0.7965 10,233,946 10 159 .031143445
F1 7,296,959 0.9481 7,696,402 8 46 .031620372
F1 7,605,113 0.8164 9,315,425 7 21 .079524784
F1 9,243,100 0.8680 10,648,733 4 7 .015051618
Random Totals: 210,211,190   217,220,075 91 6,256  
Catg J Exception Values: 2,597,852   2,689,374      
Catg D1 Exception Values: 22,234,295   21,998,912      
Total Test Values (4): 235,043,337   241,908,361      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 12,095,418

Confidence Interval Values (5)

State Lower Limit: 229,812,943 (State Test Value minus Margin of Error Percent)
Local Test Value: 235,043,337 (Within Confidence Interval)
State Upper Limit: 254,003,779 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 276,594,588 (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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