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2010 Confidence Interval Detail
211/Sherman
211-902/Stratford ISD

Category Summary

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

Stratum
Variance
A 8,828,460 0.9020 9,787,650 10 264 .072376647
A 9,010,700 0.9126 9,873,658 9 151 .006820621
A 8,587,390 0.9421 9,115,158 9 98 .006764145
A 9,171,500 0.9669 9,485,469 8 58 .003973176
G1 53,164,200 0.9811 54,188,360 9 170 .024640267
G1 53,146,120 1.0007 53,108,944 9 89 .022803973
G1 53,175,720 1.0095 52,675,305 8 56 .006187621
G1 52,532,860 1.1127 47,212,061 7 29 .036539709
Random Totals: 247,616,950   245,446,605 69 915  
Catg J Exception Values: 20,357,500   20,956,846      
Catg D1 Exception Values: 62,251,870   54,869,923      
Total Test Values (4): 330,226,320   321,273,374      

Margin of Error

Margin of Error Percent: 5.0000001
Margin of Error Value: 16,063,669

Confidence Interval Values (5)

State Lower Limit: 305,209,705 (State Test Value minus Margin of Error Percent)
Local Test Value: 330,226,320 (Within Confidence Interval)
State Upper Limit: 337,337,043 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 427,227,854 (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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