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2012 Confidence Interval Detail
093/Grimes
154-901/Madisonville CISD

Category Summary

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

Stratum
Variance
A 6,387,820 1.0041 6,361,737 9 178 .002031625
A 6,374,260 0.9821 6,490,439 10 144 .002939379
A 6,927,300 0.9748 7,106,381 9 113 .004955615
A 6,519,720 1.0514 6,200,989 9 57 .009836086
D3 36,359,433 1.0205 35,629,038 15 1,278 .032584005
Random Totals: 62,568,533   61,788,584 52 1,770  
Catg J Exception Values: 2,054,178   2,336,467      
Catg D1 Exception Values: 3,011,763   3,156,134      
Total Test Values (4): 67,634,474   67,281,185      

Margin of Error

Margin of Error Percent: 5.0047617
Margin of Error Value: 3,367,263

Confidence Interval Values (5)

State Lower Limit: 63,913,922 (State Test Value minus Margin of Error Percent)
Local Test Value: 67,634,474 (Within Confidence Interval)
State Upper Limit: 70,648,448 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 68,792,390 (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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