10 is the value represented by the letter A on the box plot of the data. The value is obtained by comparing the data from the box plot.
It is a type of plot or a chart used for data analysis when the large data is to observed through the simple chart.
From the plot, it is observed that there are six alphabet present in plot A,B,
C,D,E,F and the given values in the problem are 10, 12, 15, 21, 24, 30.
After comparing, we get that the no of alphabet is equal to the number of digit. So that we got that the value of A is 10.
Hence, 10 is the value represented by the letter A on the box plot of the data.
To learn more about the box plot, refer to the link;
https://brainly.com/question/1523909
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