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Statistics > Variance and Standard Deviation > Flashcards

Variance and Standard Deviation Flashcards

1
Q

What is variance?

A

Distance between each individual value

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2
Q

How do you calculate variance?

A

Sum of x^2/frequency - mean^2

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3
Q

How do you calculate standard deviation?

A

Square root variance

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4
Q

What is an alternative method to calculate variance?

A

SUM OF FREQUENCY X N^2/FREQUENCY - MEAN^2

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Statistics (5 decks)

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