Box plots

Front

What is a box plot?

Back

A box plot is a graphical representation of a dataset that displays the minimum, first quartile (Q1), median (Q2), third quartile (Q3), and maximum values.

Front

What does the maximum value represent in a box plot?

Back

The maximum value in a box plot represents the highest data point in the dataset.

Front

What is the five-number summary?

Back

The five-number summary consists of the minimum, first quartile (Q1), median (Q2), third quartile (Q3), and maximum values of a dataset.

Front

How do you calculate the interquartile range (IQR)?

Back

The interquartile range (IQR) is calculated by subtracting the first quartile (Q1) from the third quartile (Q3): IQR = Q3 - Q1.

Front

What does the median represent in a box plot?

Back

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

Front

What is the purpose of a box plot?

Back

The purpose of a box plot is to provide a visual summary of the distribution, central tendency, and variability of a dataset.

Front

What does Q1 represent in a box plot?

Back

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

Front

What does Q3 represent in a box plot?

Back

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

Front

How can you identify outliers in a box plot?

Back

Outliers can be identified in a box plot as points that fall below Q1 - 1.5*IQR or above Q3 + 1.5*IQR.

Front

What is the range of a dataset?

Back

The range of a dataset is the difference between the maximum and minimum values.