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2011 Confidence Interval Detail
114/Howard
114-902/Coahoma ISD

Category Summary

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

Stratum
Variance
A 17,388,463 0.9153 18,997,556 13 511 .008801997
A 16,527,145 0.9664 17,101,764 12 260 .005167795
A 18,496,988 0.9615 19,237,637 15 196 .005101663
A 18,876,492 0.9676 19,508,570 17 108 .002308934
G1 65,336,074 0.9665 67,600,697 9 93 .006375220
G1 68,607,349 1.0241 66,992,822 8 30 .010075491
G1 69,788,671 1.0380 67,233,787 5 11 .019036133
G1 56,936,640 1.0088 56,439,968 2 3 .006120280
Random Totals: 331,957,822   333,112,801 81 1,212  
Catg J Exception Values: 6,716,091   7,319,242      
Catg D1 Exception Values: 17,660,639   14,169,231      
Total Test Values (4): 356,334,552   354,601,274      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 17,730,064

Confidence Interval Values (5)

State Lower Limit: 336,871,210 (State Test Value minus Margin of Error Percent)
Local Test Value: 356,334,552 (Within Confidence Interval)
State Upper Limit: 372,331,338 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 412,727,172 (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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