Types of Graphs

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What is a Pie Chart?

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A Pie Chart is a circular graph that shows the percentage of different categories as slices of the pie.

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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, where 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, showing how many data points fall within certain ranges.

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What is a Line Graph?

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A Line Graph is a type of chart that displays information as a series of data points called 'markers' connected by straight line segments.

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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, making it easier to understand at a glance.

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What does the Y-axis represent in a graph?

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The Y-axis is the vertical line in a graph that typically represents the dependent variable.

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What does the X-axis represent in a graph?

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The X-axis is the horizontal line in a graph that typically represents the independent variable.

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What is the purpose of a Stem-and-Leaf Plot?

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A Stem-and-Leaf Plot is used to display quantitative data in a way that retains the original data while showing its distribution.

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How do you read a Bar Graph?

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To read a Bar Graph, look at the height or length of the bars to compare different categories.

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What is the main use of a Line Graph?

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A Line Graph is mainly used to show trends over time by connecting data points with lines.