Bar Graphs & Pictographs

Front

What is a bar graph?

Back

A bar graph is a visual representation of data using bars of different heights or lengths to compare values across categories.

Front

What is a pictograph?

Back

A pictograph is a chart that uses pictures or symbols to represent data, where each picture represents a specific quantity.

Front

How do you determine the favorite item from a bar graph?

Back

To determine the favorite item from a bar graph, look for the bar with the greatest height or length, which indicates the highest value.

Front

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

Back

The height of a bar in a bar graph represents the quantity or frequency of the category it represents.

Front

How can you combine data from two categories in a bar graph?

Back

To combine data from two categories in a bar graph, you can add the heights of the bars representing those categories to find the total.

Front

What is the purpose of using colors in a bar graph?

Back

Colors in a bar graph help differentiate between categories, making it easier to read and interpret the data.

Front

How do you read a pictograph?

Back

To read a pictograph, count the number of pictures or symbols for each category, where each picture represents a specific number of items.

Front

What is the significance of the scale in a bar graph?

Back

The scale in a bar graph indicates the values represented by the heights of the bars, providing context for interpreting the data.

Front

How can you find the total number of items represented in a pictograph?

Back

To find the total number of items in a pictograph, multiply the number of pictures by the value each picture represents and sum them up.

Front

What type of data is best represented by a bar graph?

Back

Bar graphs are best for comparing categorical data, where each category is distinct and can be measured.