Graphical Representation

Question 1

Graphs

Answer 1

DV = Y axis

IV = X axis

Always title graph and name IV and DV

Question 2

Bar chart

Answer 2

When to use a bar chart:
When data plotting is nominal (categorical)
When bars can be in any order
When data is discrete

Question 3

Histogram

Answer 3

When to use:
When data is interval/ ratio and continuous

Plots frequency density

Work out increments to go up in, then work out how many people fall into each one