Box Plots (Box and Whisker Plots)

Front

What is a Box Plot (Box and Whisker Plot)?

Back

A graphical representation of a data set that displays the minimum, first quartile, median, third quartile, and maximum.

Front

What does the term 'Range' refer to in statistics?

Back

The difference between the greatest and least data values.

Front

How do you calculate the Interquartile Range (IQR)?

Back

Subtract the first quartile (Q1) from the third quartile (Q3): IQR = Q3 - Q1.

Front

What does the first quartile (Q1) represent in a data set?

Back

The value below which 25% of the data falls.

Front

What does the median represent in a box plot?

Back

The middle value of the data set when it is ordered.

Front

What do points B and D represent on a box plot?

Back

The first quartile (Q1) and the third quartile (Q3).

Front

What is the significance of the whiskers in a box plot?

Back

They extend from the quartiles to the minimum and maximum values, showing the spread of the data.

Front

If the first quartile (Q1) is 19 and the third quartile (Q3) is 56, what is the Interquartile Range (IQR)?

Back

37 (IQR = Q3 - Q1 = 56 - 19).

Front

What does point C on the box plot represent?

Back

The median of the data set.

Front

What is the purpose of a box plot?

Back

To summarize a data set and show its distribution, central tendency, and variability.