An executive's telephone log showed the lengths of 65 calls initiated during the last week of July. (a) Use Excel to find the quartiles. What do they tell you? (b) Find the midhinge. What does it tell you? (c) Make a box plot and interpret it. 1 2 10 5 3 3 2 20 1 1 6 3 13 2 2 1 26 3 1 3 1 2 1 7 1 2 3 1 2 12 1 4 2 2 29 1 1 1 8 5 1 4 2 1 1 1 1 6 1 2 3 3 6 1 3 1 1 5 1 18 2 13 13 1 6