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2010 Confidence Interval Detail
206/San Saba
206-903/Cherokee ISD

Category Summary

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

Stratum
Variance
A 712,980 0.9952 716,419 8 28 .011342775
A 1,144,420 0.9457 1,210,130 7 25 .011740511
A 1,120,020 1.0179 1,100,324 6 15 .009833666
A 1,228,500 1.0025 1,225,436 4 8 .003619026
D3 22,577,510 0.9445 23,904,193 20 1,631 .033641206
Random Totals: 26,783,430   28,156,502 45 1,707  
Catg J Exception Values: 1,730,120   1,777,001      
Catg D1 Exception Values: 10,803,770   11,918,251      
Total Test Values (4): 39,317,320   41,851,754      

Margin of Error

Margin of Error Percent: 5.0000007
Margin of Error Value: 2,092,588

Confidence Interval Values (5)

Local Test Value: 39,317,320 (Outside Confidence Interval)
State Lower Limit: 39,759,166 (State Test Value minus Margin of Error Percent)
State Upper Limit: 43,944,342 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 38,124,415 (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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