Five Number Summary

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What is the Five Number Summary?

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The Five Number Summary consists of five key statistics that summarize a dataset: Minimum, First Quartile (Q1), Median (Q2), Third Quartile (Q3), and Maximum.

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What does the Minimum represent in the Five Number Summary?

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The Minimum is the smallest value in a dataset.

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What does the Maximum represent in the Five Number Summary?

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The Maximum is the largest value in a dataset.

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What is the Median in the context of the Five Number Summary?

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The Median (Q2) is the middle value of a dataset when it is ordered from least to greatest.

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What are Quartiles in the Five Number Summary?

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Quartiles divide a dataset into four equal parts. Q1 is the median of the lower half, Q2 is the median, and Q3 is the median of the upper half.

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How do you find the First Quartile (Q1)?

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To find Q1, order the data and find the median of the lower half of the dataset.

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How do you find the Third Quartile (Q3)?

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To find Q3, order the data and find the median of the upper half of the dataset.

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What is the purpose of the Five Number Summary?

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The Five Number Summary provides a quick overview of the distribution, spread, and center of a dataset.

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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 from the Maximum.

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What is an example of a dataset with a Five Number Summary?

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For the dataset: 1, 3, 5, 7, 9, the Five Number Summary is: Minimum = 1, Q1 = 3, Median = 5, Q3 = 7, Maximum = 9.