**Answer:**

**Letter E** represents the maximum of the data set on the box-plot.

**Step-by-step explanation:**

We now that in the given box-plot we have:

**Letter A** represents the **minimum value **of the data set.

Also in the given box of the whisker-box plot the lower value in the box represents the **lower quartile or first quartile** i.e. i.e.** letter B.**

Also, the middle value in the box-plot represents the** middle quartile or median **of the data i.e. i.e. **letter C.**

And the maximum value on the box represents the** upper quartile** i.e. i.e. **letter D.**

**The maximum value of the data set is represented by letter E.**