Box Plot and Quartiles Concepts

The video tutorial explains how to interpret and create a box plot, focusing on identifying the median, lower and upper quartiles, and calculating the range of data. It also covers how to determine the distribution of data within the box plot and calculate differences between data points. The tutorial concludes with instructions for future lessons and encourages students to reach out to their teachers for further questions.

What is the median of the given data set?

• 56

• 45

• 53

• 64

Where is the lower quartile located in a data set?

• At the median

• Between the median and the lowest value

• At the highest value

• Between the median and the highest value

What is the value of the lower quartile in this data set?

• Not provided

• 64

• 53

• 45

Where is the upper quartile located in a data set?

• Between the median and the highest value

• At the lowest value

• At the median

• Between the median and the lowest value

What is the value of the upper quartile in this data set?

• 45

• 53

• 64

• 56

How do you calculate the range of a data set?

• Subtract the median from the highest value

• Add the highest and lowest values

• Add the median and the lowest value

• Subtract the lowest value from the highest value

What is the range of the data set provided?

• 45

• 19

• 53

• 64

What percentage of data is contained within the box of a box plot?

• 100%

• 75%

• 50%

• 25%

What percentage of data is represented by each whisker in a box plot?

• 25%

• 100%

• 50%

• 75%

How do you find the difference between two data points?

• Add them together

• Subtract the smaller from the larger

• Multiply them

• Divide the larger by the smaller