Chapter 5, Problem 14E

a)

To determine

To explain the shape of the distributions.

Answer to Problem 14E

The shape of the distribution of White and Black is left skewed with unimodal distribution.

Explanation of Solution

Given:

  

The shape of the distribution of White and Black is left skewed with unimodal distribution.

b)

To determine

To explain how the distribution differ.

Answer to Problem 14E

There is higher percentage of deaths for 85 years in White people.

Explanation of Solution

Given:

  

The lead change is in the last bar. There is higher percentage of deaths for 85 years in White people. However, there are a smaller number of deaths in Black people for 85 years.

c)

To determine

To explain where these plots violet the rules of statistical graphs.

Answer to Problem 14E

The bins of graphs are not equal which breaks the rules of statistical graphs.

Explanation of Solution

Given:

  

The bins of graphs are not equal which breaks the rules of statistical graphs. In general, the bars represent frequency or relative frequency of values which belong to each bin.