Graphs and Data

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What is a Pictograph?

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A pictograph is a graph that uses pictures or symbols to represent data. Each picture represents a certain number of items.

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What does a Bar Graph show?

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A bar graph shows data using bars of different heights or lengths. Each bar represents a category of data.

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What is a Line Plot?

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A line plot is a graph that shows data along a number line. It uses X's or dots to represent how many times each value occurs.

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What is a Tally Chart?

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A tally chart is a way to count and record data using tallies. Each group of five tallies is represented by four vertical lines and one diagonal line.

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How do you read a Bar Graph?

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To read a bar graph, look at the height of each bar to see how much data it represents. The taller the bar, the more data it shows.

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What is the purpose of a Title in a Graph?

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The title of a graph tells you what the graph is about. It helps you understand the data being presented.

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

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To find the total in a pictograph, count the number of pictures and multiply by the number each picture represents.

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What does it mean if a Bar Graph has equal heights for two bars?

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If two bars are equal in height, it means that the two categories they represent have the same amount of data.

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How do you determine the favorite color from a graph?

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To determine the favorite color, look for the bar or symbol that is the tallest or has the most pictures.

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What is a Data Set?

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A data set is a collection of related data points or values that can be analyzed.