Question

which is not a valid sparkline type?
○ line
○ column
○ win/loss
○ bar

Explanation:

Sparkline types in applications like Excel include line, column, and win/loss. Bar is not a valid sparkline type (bar charts are different from sparkline bar - like column sparklines, and sparklines don't have a 'bar' type as a standard sparkline type).

Answer:

D. bar