Bar Graphs

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars of different heights or lengths to show the quantity of each category.

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What is a double bar graph?

Back

A double bar graph displays two sets of data side by side for comparison, using two bars for each category.

Front

What does the height of a bar in a bar graph represent?

Back

The height of a bar represents the quantity or frequency of the data for that category.

Front

How do you read a bar graph?

Back

To read a bar graph, look at the labels on the x-axis (horizontal) and y-axis (vertical) to understand what data is being represented and the scale of measurement.

Front

What is the purpose of a bar graph?

Back

The purpose of a bar graph is to compare different categories of data visually.

Front

What is the difference between a bar graph and a pictograph?

Back

A bar graph uses bars to represent data, while a pictograph uses pictures or symbols to represent quantities.

Front

How can you find the difference between two values in a bar graph?

Back

To find the difference, compare the heights of the two bars and subtract the smaller value from the larger value.

Front

What is a histogram?

Back

A histogram is a type of bar graph that represents the frequency distribution of numerical data, with bars touching each other.

Front

What information can you gather from a bar graph?

Back

You can gather information about the quantity of each category, compare different categories, and identify trends.

Front

How do you determine the total number of items represented in a bar graph?

Back

To determine the total, add the values represented by each bar.