What is the best type of diagram to compare two sets of data?

Posted on November 28, 2009 by admin

The data set includes the number of cars, buses, taxis, motorcycles, bicycles, vans and lorries that go by in 10 minutes. The question says i have to show this in an ‘appropriate’ diagram and compare it with a friend’s data set (of the same observations). I was thinking of using bar charts to compare them?
What is the most appropriate diagram to use and why? Any help will be much appreciated! Thanks!

Yes, since you’re talking about how many, a bar chart would be good. If you were talking about percentages, a pie chart would be good.

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4 Responses to What is the best type of diagram to compare two sets of data?

  1. steve h says:
    November 28, 2009 at 9:54 am

    Yes, since you’re talking about how many, a bar chart would be good. If you were talking about percentages, a pie chart would be good.
    References :

  2. ▐▀▀▼▀▀▌ ► Bob-e ◄ ▐▄▄▲▄▄▌ says:
    November 28, 2009 at 10:18 am

    Venn Diagram!
    References :

  3. julia.conatser says:
    November 28, 2009 at 10:48 am

    sphinx chart
    References :

  4. Yu C says:
    November 28, 2009 at 11:00 am

    Bar graph would be fine if you are not logging the exact time that the vehicle goes by. Otherwise, line graph would be better.
    References :