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2007 Confidence Interval Detail
208/Scurry
208-902/Snyder ISD

Category Summary

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

Stratum
Variance
A 57,115,127 0.8985 63,567,198 9 1,895 .016339157
A 57,021,766 0.9924 57,458,450 10 867 .022141703
A 57,075,419 1.0122 56,387,492 10 527 .014552208
A 56,951,928 1.0478 54,353,816 7 299 .006834470
G1 82,546,061 1.0004 82,513,056 5 14 .000180083
Random Totals: 310,710,301   314,280,012 41 3,602  
Catg D1 Exception Values: 35,111,196   34,854,378      
Catg G1 Exception Values: 1,128,097,048   1,129,831,512      
Total Test Values (4): 1,473,918,545   1,478,965,902      

Margin of Error

Margin of Error Percent: 5.0000000
Margin of Error Value: 73,948,295

Confidence Interval Values (5)

State Lower Limit: 1,405,017,607 (State Test Value minus Margin of Error Percent)
Local Test Value: 1,473,918,545 (Within Confidence Interval)
State Upper Limit: 1,552,914,197 (State Test Value plus Margin of Error Percent)
Value Assigned (6): 2,322,434,798 (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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