Box Plots and Dot Plots

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What is a Box Plot?

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A Box Plot is a graphical representation of a dataset that shows the distribution through five summary statistics: minimum, first quartile (Q1), median (Q2), third quartile (Q3), and maximum.

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What does a Dot Plot represent?

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A Dot Plot is a simple graphical display that uses dots to represent the frequency of data points in a dataset, allowing for easy visualization of distribution.

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What is the Median?

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The median is the middle value of a dataset when it is ordered from least to greatest. If there is an even number of observations, the median is the average of the two middle numbers.

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What is the Upper Quartile?

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The Upper Quartile (Q3) is the median of the upper half of a dataset, representing the value below which 75% of the data falls.

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What is the Lower Quartile?

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The Lower Quartile (Q1) is the median of the lower half of a dataset, representing the value below which 25% of the data falls.

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How do you calculate the Range of a dataset?

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The Range is calculated by subtracting the minimum value from the maximum value in the dataset.

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What is the purpose of a Box Plot?

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A Box Plot is used to visually summarize the distribution of a dataset, highlighting the median, quartiles, and potential outliers.

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What does a Dot Plot help to identify?

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A Dot Plot helps to identify the frequency of data points, trends, and potential outliers in a dataset.

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How can you find the Median in a dataset?

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To find the median, first order the data from least to greatest, then locate the middle value. If there are two middle values, average them.

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What is an Outlier in a dataset?

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An Outlier is a data point that is significantly different from the other observations in the dataset, often lying outside the overall pattern.