The group that is most likely to have a lower mean age of painting students is group A.
A dot plot is graph that is used to display data. The dots in a dot plot represents the frequency of a number.
Looking at the graph, it appears that group A has a lower age distribution. Thus, it is likely that it would have a lower mean.
To learn more about dot plots, please check: https://brainly.com/question/22746300
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