# Histograms Histograms represent the distribution of numerical data. Learn how to interpret and solve Math problems containing histograms.

## Step by step guide to solve Histograms problems

• A histogram is an accurate representation of the distribution of numerical data.
• Histogram groups numbers into ranges and is similar to bar charts.
• To interpret histograms, check the height of each bar that shows how many fall into each range.

### Example 1:

Use the following Graph to complete the table.

Solution: Check the distance during each day from the graph and write it in the table below. For example, the distance for day 1 is 378 and for day 2 is 480.

### Example 2:

Use the following Graph to complete the table.

Solution: Check the distance during each day from the graph and write it in the table below.

## Exercises

### The following table shows the number of births in the US from $$2007$$ to $$2012$$ (in millions).

Answer these questions based on the data of the graph.

1- During what period the percent of change was zero?

2- During what period there was the biggest decrease in number of births?

3- What was the percent of change from 2008 to 2012?

1- 2011 to 2012

2- 2009 to 2010

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