This is a histogram of speeds of certain ships drawn to the density scale:

enter image description here

I was told that the percent of speeds in the [17, 18) range is between 20 and 25, but I believe it's between 30 and 50. Can anyone convince me wrong?

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    $\begingroup$ I count twelve bars that each account for more than 10% of the density. Something is off about the graph. $\endgroup$
    – Dave
    Jul 10, 2020 at 13:15

1 Answer 1


Histograms are not reliable methods to communicate summary statistics because it depends on bin size choice.

The best option to answer numerical questions to find the raw numerical data.


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