# Discovering Statistics; Chapter 4 Flashcards

1
Q

What is chart junk?

A

3D effects, fill effects etc. that aren’t necessary for producing an effective graph.

2
Q

What is the vertical axis called?

A

y-axis or ordinate.

3
Q

What is the horizontal axis called?

A

x-axis or abscissa.

4
Q

What are histograms used for?

A

Can be referred to as frequency distributions. Useful for looking at the shape of your data.

5
Q

What are boxplots used for?

A

Can be referred to as ‘box-whisker diagrams’. Useful for displaying your data; at the centre of the plot is the median, the box itself displays the interquartile range and the ‘whiskers’ show the upper and lower quartiles.

6
Q

What are bar charts used for?

A

Way to display the means of different groups.

7
Q

What are scatterplots used for?

A

Useful for plotting each persons score on one variable against their score on another (telling us the relationship between two variables).

8
Q

What are line charts used for?

A

Same as bar charts, but use lines instead of bars.