Calculating Standard deviations
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6 Terms
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SD equation
s= √Σ (x-X)²/n-1)
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x
results
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X
mean of results
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n
sample size
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Sum of function
use the sum of once you have calculated sequence in brackets
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Significance of SD result
the lower the standard deviation the closer the results are distributed, therefore more reliable
Note 
Flashcards (20)