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2009 Confidence Interval Detail
149/Live Oak
205-904/Mathis ISD

Category Summary

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

Stratum
Variance
A 2,992,090 1.0464 2,859,413 7 128 .008806210
A 2,936,090 0.9445 3,108,618 7 58 .162694754
A 2,591,850 0.9359 2,769,366 6 30 .014164375
A 4,398,830 1.0825 4,063,584 9 27 .011303646
C 415,250 0.9846 421,745 7 90 .008741194
C 271,400 1.0663 254,525 6 28 .027902500
C 683,480 1.0632 642,852 9 41 .011660395
C 503,050 1.0236 491,452 2 3 .005069143
D3 5,435,500 0.9829 5,530,064 10 251 .009211583
Random Totals: 20,227,540   20,141,619 63 656  
Catg J Exception Values: 3,100,237   3,206,782      
Catg D1 Exception Values: 2,051,770   2,456,928      
Total Test Values (4): 25,379,547   25,805,329      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,290,266

Confidence Interval Values (5)

State Lower Limit: 24,515,063 (State Test Value minus Margin of Error Percent)
Local Test Value: 25,379,547 (Within Confidence Interval)
State Upper Limit: 27,095,595 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 30,092,496 (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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