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Statistics Year 1 > Chapter 2 - Measures of Location and Spread > Flashcards

Chapter 2 - Measures of Location and Spread Flashcards

1
Q

How to find the lower quartile:

A

Divide n by 4, if it’s a whole number, choose the data value halfway between this one and the one above. If it’s a decimal, round up.

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2
Q

How to find the upper quartile:

A

Multiply n by 3/4, if it’s a whole number, choose the data value halfway between this one and the one above. If it’s a decimal, round up.

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3
Q

How to decode a coded mean:

A

Reverse the coding steps

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4
Q

How to decode a coded standard deviation:

A

Just reverse multiplication/division

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Statistics Year 1 (7 decks)

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