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2009 Confidence Interval Detail
211/Sherman
098-901/Gruver ISD

Category Summary

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

Stratum
Variance
D3 1,818,640 1.0349 1,757,310 9 150 .007913628
G1 7,495,680 0.9744 7,692,611 5 19 .006352667
G1 6,869,470 1.0176 6,750,658 4 10 .010640620
G1 8,301,230 1.0502 7,904,428 4 8 .002286511
G1 5,974,180 1.0352 5,771,039 3 4 .005726926
Random Totals: 30,459,200   29,876,046 25 191  
Catg J Exception Values: 828,320   677,732      
Catg D1 Exception Values: 4,570,190   4,249,970      
Total Test Values (4): 35,857,710   34,803,748      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 1,740,187

Confidence Interval Values (5)

State Lower Limit: 33,063,561 (State Test Value minus Margin of Error Percent)
Local Test Value: 35,857,710 (Within Confidence Interval)
State Upper Limit: 36,543,935 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 40,983,213 (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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