Graphs

Question 1

Bar chart

Answer 1

• discrete data (nominal/ordinal)
• tests for difference between categories
• bars with gaps, labels and title

Question 2

Scattergram

Answer 2

• correlation between co variables

Question 3

Histograms

Answer 3

• continuous data eg height/ time
• bars with no spaces

Question 4

Line graphs

Answer 4

• continuous data