Concept explainers
To construct: a box and whisker plot for the given data
Answer to Problem 13.4.2EP
The box and whiskers:
Explanation of Solution
Given:
Calculation:
Step 1:
Arrange the data in increasing order.
Draw the number line that contains the minimum and maximum values of the data.
Step 2:
Mark the minimum and maximum values, median, upper and lower quartiles above the number line. Identify the outliers. Denote it with asterisk. It is not connected with the plot.
Here median is 215 .
Divide the data into two halves.
Median of lower half is
Median of upper half is
Step 3:
Draw the box and whiskers.
Conclusion:
Therefore, the box and whiskersplot is drawn.
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