Chapter 11.4, Problem 30E

a.

To determine

To determine the preference of the display of data amongst a histogram and two-way table.

Answer to Problem 30E

The two-table representation of the chart provided is:

Genre
Comedy	Action	Horror	Total
Student	Male	30	50	20	100
Female	40	30	20	90
Total	70	80	40	190

Explanation of Solution

Given information :

The data given in graphical form.

The two-way table can have 3 columns that represent the types of Genre. These columns will have Comedy, Action and Horror.

There would be 2 rows that represent the gender of the students, that is Male and Female.

The table is

Genre
Comedy	Action	Horror	Total
Student	Male	30	50	20	100
Female	40	30	20	90
Total	70	80	40	190

b.

To determine

To display the information in a two-way table.

Answer to Problem 30E

Data representation in a two-way table is preferred.

Explanation of Solution

Given information :

The data present has a histogram chart and two-way table.

A two-way table has all the data that is represented in a histogram chart. However, all the data is mentioned as numbers. This becomes easier to comprehend while calculating the various relative frequencies and reach subsequent observation.

Hence, two-way tables would be preferred over histogram charts.