Box and Whisker Plot

Front

What is a Box and Whisker Plot?

Back

A Box and Whisker Plot is a graphical representation of a data set that shows its minimum, first quartile (Q1), median (Q2), third quartile (Q3), and maximum.

Front

What does Q1 represent in a Box and Whisker Plot?

Back

Q1, or the first quartile, represents the value below which 25% of the data falls.

Front

What does Q2 represent in a Box and Whisker Plot?

Back

Q2, or the median, is the middle value of the data set, dividing it into two equal halves.

Front

What does Q3 represent in a Box and Whisker Plot?

Back

Q3, or the third quartile, represents the value below which 75% of the data falls.

Front

How do you find the interquartile range (IQR)?

Back

The interquartile range (IQR) is found by subtracting Q1 from Q3 (IQR = Q3 - Q1).

Front

What is the purpose of a Box and Whisker Plot?

Back

The purpose of a Box and Whisker Plot is to visually display the distribution of a data set and identify its central tendency and variability.

Front

What is the median of the data set: 30, 40, 45, 50?

Back

The median of the data set is 45.

Front

True or False: The 'upper quartile' is Q3.

Back

True.

Front

True or False: The 'lower quartile' is Q2.

Back

False; the lower quartile is Q1.

Front

What do you need to find before breaking the data into sections?

Back

You need to find the median (Q2) before breaking the data into sections.