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2011 Confidence Interval Detail
081/Freestone
081-906/Dew ISD

Category Summary

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

Stratum
Variance
D3 32,253,520 1.0293 31,335,393 15 1,737 .013399923
G1 38,717,250 1.0049 38,528,461 13 164 .014194550
G1 39,166,030 1.0426 37,565,730 10 85 .005820756
G1 39,135,351 1.0579 36,993,431 8 54 .003637871
G1 37,813,152 1.0326 36,619,361 7 25 .009514313
Random Totals: 187,085,303   181,042,376 53 2,065  
Catg J Exception Values: 114,807   104,124      
Catg D1 Exception Values: 2,702,140   2,464,816      
Total Test Values (4): 189,902,250   183,611,316      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 9,180,566

Confidence Interval Values (5)

State Lower Limit: 174,430,750 (State Test Value minus Margin of Error Percent)
Local Test Value: 189,902,250 (Within Confidence Interval)
State Upper Limit: 192,791,882 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 303,470,002 (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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