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In this lesson, we will learn how to use box-and-whisker plots to determine the range, median, interquartile range, and quartiles for any data set.
Q1:
Look at the box-and-whisker plot. Give a reason why the line inside the box is further to the right.
Q2:
State if the following is true or false: There are more data values in the interval 36–80 than there are in the interval 64–80.
Q3:
The times, rounded to the nearest second, of a group of students running a 400-meter race are represented on the box plot shown.
What was the median time taken?
What was the lower quartile?
What was the longest time taken?
What percentage of students are represented by the times within the box?
Is the median time closer to the lower or upper quartile?
What was the overall range of times taken?
What was the interquartile range of times taken?
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