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 a dataset?

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Quartiles are values that divide a dataset into four equal parts. Q1 is the first quartile, Q2 is the median, and Q3 is the third quartile.

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How do you find the First Quartile (Q1)?

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Q1 is the median of the lower half of the dataset (excluding the overall median if the number of data points is odd).

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How do you find the Third Quartile (Q3)?

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Q3 is the median of the upper half of the dataset (excluding the overall median if the number of data points is odd).

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What is the formula for calculating the Range of a dataset?

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Range = Maximum - Minimum.

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Given the numbers 84, 88, 72, 74, 98, 16, 94, what is the Maximum?

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The Maximum is 98.

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What is the Median of the following scores: 155, 165, 138, 172, 127, 193, 142?

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The Median score is 155.