Quartiles Flashcards

1
Q

Divide the data set into quarters

A

Quartiles

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2
Q

Offers a skeleton of the data

A

Five number summary

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3
Q

Visualization of the 5 number summary

A

Box plot

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4
Q

Any datum that doesn’t fit in with the rest of the data set

A

Outlier

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5
Q

Outlier equation

A

1.5 x IQR rule

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6
Q

Tells us how many SD’s some value is from the mean of its distribution

A

Z- score

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7
Q

Z score equation

A

Z= observation- mean/ standard deviation

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8
Q

When do you use the empirical rule?

A

For data that is unimodal and symmetric

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