Box Plot + IQR Review

Front

What is a Box Plot?

Back

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

Front

What does IQR stand for?

Back

IQR stands for Interquartile Range, which is the difference between the upper quartile (Q3) and the lower quartile (Q1).

Front

How do you calculate the IQR?

Back

IQR = Q3 - Q1.

Front

What is the minimum in a 5-number summary?

Back

The minimum is the smallest value in a dataset.

Front

What is the maximum in a 5-number summary?

Back

The maximum is the largest value in a dataset.

Front

What does Q1 represent in a Box Plot?

Back

Q1, or the first quartile, represents the median of the lower half of the dataset.

Front

What does Q3 represent in a Box Plot?

Back

Q3, or the third quartile, represents the median of the upper half of the dataset.

Front

What is the median in a 5-number summary?

Back

The median is the middle value of a dataset when it is ordered from least to greatest.

Front

If Q1 is 3 and Q3 is 7, what is the IQR?

Back

IQR = 7 - 3 = 4.

Front

True or False: The IQR can be negative.

Back

False. The IQR is always a non-negative value.