Box and Whisker Plot Review

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What is a Box and Whisker Plot?

Back

A Box and Whisker Plot is a graphical representation of a dataset that shows its minimum, first quartile (Q1), median, third quartile (Q3), and maximum values.

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What does Q1 represent in a Box and Whisker Plot?

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Q1, or the first quartile, represents the value below which 25% of the data falls.

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What does Q3 represent in a Box and Whisker Plot?

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Q3, or the third quartile, represents the value below which 75% of the data falls.

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How do you find the median in a Box and Whisker Plot?

Back

The median is the middle value of the dataset, which divides the data into two equal halves.

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What is the purpose of the whiskers in a Box and Whisker Plot?

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The whiskers extend from the box to the smallest and largest values in the dataset, showing the range of the data.

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What does the length of the box in a Box and Whisker Plot indicate?

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The length of the box indicates the interquartile range (IQR), which is the range of the middle 50% of the data.

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What is the interquartile range (IQR)?

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The interquartile range (IQR) is the difference between Q3 and Q1, representing the spread of the middle 50% of the data.

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How can you identify outliers in a Box and Whisker Plot?

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Outliers can be identified as points that fall below Q1 - 1.5*IQR or above Q3 + 1.5*IQR.

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What does a Box and Whisker Plot tell you about the distribution of data?

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It provides insights into the central tendency, variability, and skewness of the data.

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What is the significance of the median in a Box and Whisker Plot?

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The median provides a measure of central tendency, indicating the middle value of the dataset.