📘 Mon Feb 08 Review Types of graphs

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What is a circle graph (pie chart)?

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A circle graph, or pie chart, is a circular statistical graphic divided into slices to illustrate numerical proportions. Each slice represents a category's contribution to the total.

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What does a line graph represent?

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A line graph displays information as a series of data points called 'markers' connected by straight line segments. It is commonly used to track changes over time.

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What is a bar graph?

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A bar graph is a chart that presents categorical data with rectangular bars. The length of each bar is proportional to the value it represents.

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What is a histogram?

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A histogram is a type of bar graph that represents the frequency distribution of numerical data. It shows the number of data points that fall within a specified range of values.

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What is the x-axis in a graph?

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The x-axis is the horizontal axis in a graph, typically representing the independent variable.

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What is the y-axis in a graph?

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The y-axis is the vertical axis in a graph, typically representing the dependent variable.

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How do you calculate the percentage of a category in a circle graph?

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To calculate the percentage of a category, divide the number of responses in that category by the total number of responses, then multiply by 100.

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What is the purpose of a dot plot?

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A dot plot is a simple way to display data points along a number line, showing frequency of data points in a dataset.

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What type of graph is best for showing trends over time?

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A line graph is best for showing trends over time as it connects data points with lines, making it easy to see increases or decreases.

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

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A bar graph displays categorical data with separate bars, while a histogram displays continuous data and groups it into ranges.