Answer
The median is 147 and the first quartile median of the lower half is 129, and the third quartile median of the upper half is 167
The number line is shown below
The box is shown below
Work Step by Step
Order the data. Find the median and quartile.
Median: 147
108,117,125,129,131,133,142, (147) ,150,155,162,167,174,175,188
First quartile: 108,117,125,129,131,133,142 median of lower half: 129
Third quartile: 150,155,162,167,174,175,188 median of upper half: 167
Least Value: 108 Greatest Value: 188
To draw the box use quartile 1 and quartile 3
Draw a line through the median
Draw whiskers from the box to the least & greatest values.
