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2011 Confidence Interval Detail
040/Cochran
040-902/Whiteface-Bledsoe CISD

Category Summary

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

Stratum
Variance
D3 5,000,510 0.9841 5,081,303 15 1,769 .002390483
G1 159,596,341 1.0240 155,855,802 8 45 .004318839
G1 151,736,516 0.9873 153,688,358 5 7 .001679989
G1 153,590,120 0.9855 155,849,944 3 4 .015453777
Random Totals: 469,923,487   470,475,407 31 1,825  
Catg D1 Exception Values: 23,825,899   29,555,016      
Catg G1 Exception Values: 144,053,048   135,829,543      
Total Test Values (4): 637,802,434   635,859,966      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 31,792,998

Confidence Interval Values (5)

State Lower Limit: 604,066,968 (State Test Value minus Margin of Error Percent)
Local Test Value: 637,802,434 (Within Confidence Interval)
State Upper Limit: 667,652,964 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 717,016,745 (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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