The video tutorial explains the concept of a box and whisker plot, a type of data display that divides data into four equal parts called quartiles. It covers the five number summary needed to create the plot, including minimum, maximum, median, and quartiles. The tutorial provides a step-by-step guide to creating a box plot, using an example with nine data values. It also explains how to calculate the range and interquartile range (IQR) of the data.

What percentage of data does each quarter in a box plot represent?

• 25%

• 100%

• 50%

• 75%

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What is located at the ends of the whiskers in a box plot?

• Mean and Median

• Median and Mode

• Minimum and Maximum

• First and Third Quartiles

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Which value is represented by the line in the middle of the box in a box plot?

• Median

• Mode

• Range

• Mean

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How is the lower quartile (Q1) determined in a box plot?

• Maximum value

• Median of the lower half

• Average of all data

• Median of the upper half

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What is the correct sequence to arrange data for a box plot?

• Grouped by value

• From smallest to largest

• Randomly

• From largest to smallest

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What does the median of the upper half of the data represent in a box plot?

• Lower Quartile

• Upper Quartile

• Minimum

• Median

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In the provided example, what is the median value?

• 459

• 572

• 407

• 370

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What is the value of the upper quartile in the example?

• 370

• 407

• 459

• 572

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How is the range of the data calculated?

• Maximum plus Minimum

• Maximum minus Minimum

• Q3 minus Q1

• Median minus Minimum

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What is the interquartile range in the example?

• 459

• 370

• 308

• 89

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