William Playfair created:

Question $6$ options:

a$)$

A bubble chart to show imports and exports from Scotland

b$)$

A map of cholera cases in London

c$)$

A stacked bar chart to show the size of land areas and populations

d$)$

All of the above

e$)$

None of the above

b$)$

$2007$

c$)$

$2017$

d$)$

None of the above