Sigma Notation Flashcards by Seterra Burleson | Brainscape

Q

Σ

A

Summation, sigma

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Q

i

A

Individual

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Q

j

A

Group

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Q

n

A

Number of individuals in a given group

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Q

N

A

Number of individuals in a given sample

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Q

a

A

Number of groups (or levels for a given factor)

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Q

A

Denotes a predicted value, called a “hat”

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Q

x

A

Independent variable

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