Question

Make a box-and-whisker plot for the set of data 21,27,27,25,21,13,18,25

Answer 1

Explanation:

Answer 2

• See the critical points of the box plot below

Explanation:

Find the 5-number summary that indicates the points:

• Minimum value, maximum value, median, median of lower half, median of upper half

First, put the data in the acsending order:

• 13, 18, 21, 21, 25, 25, 27, 27

Now, find the 5 numbers:

• The minimum is 13
• The median of the lower half is (18 + 21)/2 = 19.5
• The median is (21 + 25)/2 = 23
• The median of the upper half is (25 + 27)/2 = 26
• The maximum is 27