Chapter 5, Problem 6E

a)

To determine

To explain which commodity is the most expensive.

Answer to Problem 6E

Coffee.

Explanation of Solution

Given:

  

Calculation:

For a Box plot, median is a measure of center. Therefore, the median of Coffee boxplot is on higher side. Hence, most expensive commodity is Coffee.

b)

To determine

To explain whether Newspaper is always expensive than ride a public transportation.

Answer to Problem 6E

Yes.

Explanation of Solution

Given:

  

Calculation:

The median of Newspaper is greater than a public transportation. Hence, the Newspaper is always expensive than ride a public transportation.

c)

To determine

To explain whether an outlier affect on the conclusions of part a and b.

Answer to Problem 6E

No.

Explanation of Solution

Given:

  

Calculation:

For each of the commodity, there are outliers present. These outliers will not affect to our conclusion given in part a and part b.