Zeynep's Notes Flashcards by Werner Yzelman | Brainscape

Q

Standard deviation for sample

A

s = sqrt(sum ( (X - M)^2) / (n - 1))

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Q

Types of frequency tables

A

Simple
Relative (% of all scores). Proportion p= f/N
Cumulative

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Q

Linear interpolation for continuous variables

A

D1/W1 = D2/W2

Use real limits

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