Chapter 3, Problem 13E

(a)

To determine

To Explain: the short report interpreting the displays show.

Explanation of Solution

Given:

  

By seeing the bar chart and pie chart, it is observed that no category overlaps each other. The bar associating to grounding is largest so the most frequently cause of oil spillage is grounding and after the most frequently cause is collisions. And the bar associating to other is smallest so the least frequent cause of oil spillage is other.

(b)

To determine

To Explain: that pies chart an appropriate display for these data.

Explanation of Solution

Given:

  

By seeing the pie chart and bar chart, it is observed that oil categories don’t overlap to each other therefore a pie chart is also an appropriate display of data.