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A sample has SS = 20 and s2 = 4. There are _____ scores in the sample.

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1 Answer

Hi Rose,
 
S2  =4
 
S2  = SS/n-1
 
4 = 20/n-1
 
n-1 = 20/4
 
n-1= 5
 
n=6
 
 
 
 
 
Meena from Strongsville,OH 

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