Representations of data Flashcards

1
Q

Cleaning data

A

The process of removing anomalies from a dataset

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2
Q

Outlier

A

And extreme value that lies outside the overall pattern of data

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3
Q

What kind of data can be represented in a histogram

A

Grouped continuous data

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4
Q

What does the area of the bar represent in a histogram

A

The area is proportional to the frequency in each class

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5
Q

How do you calculate the height of each bar in a histogram

A

area of bar=k x frequency

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6
Q

How do you calculate frequency density

A

Frequency/class width

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