Graphs Flashcards

1
Q

What is the equation for frequency density

A

Frequency over class width

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2
Q

What are 3 reasons a diagram could be misleading

A

Line is thick
Axis are not labelled
No title

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3
Q

What is the equation for frequency

A

Frequency density x class width

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4
Q

Why would you use a bar chart

A

when you are showing segments of information.

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5
Q

Why would you use a stem and leaf diagram

A

It can be useful to find the mode median.

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6
Q

What is a composite bar chart

A

Bars are stacked on eachother

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7
Q

What is a vertical line graph

A

Bar chart with small lines

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8
Q

What do you plot cumulative frequency diagrams against

A

The upper class of boundary

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9
Q

What goes on y axis of a histogram

A

Frequency

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10
Q

What goes on the y axis if the class widths are unequal for a histogram

A

Frequency density

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