Exercise 1 Page 330

We will begin by looking at the given table which shows the estimated populations of males and females by age in the United States in $2012.$

U.S. Population by Age and Gender
Ages (Years)	Males	Females
$0-14$	$31242542$	$29901556$
$15-29$	$33357203$	$31985028$
$30-44$	$30667513$	$30759902$
$45-59$	$31875279$	$33165976$
$60-74$	$19737347$	$22061730$
$75-89$	$6999292$	$10028195$

Note that the ages in the table are given in intervals of equal sizes. Additionally, we are given the number of people who are in each particular interval — the frequency of the intervals. This means that the given table is a frequency table. Let's think about two different ways that we can display this data using technology.

Histograms

One common way to display data sets given by frequency tables is using histograms. To create our histograms, let's first write the data in a spreadsheet.