Box Plots

Front

What is a box plot?

Back

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

Front

What does the minimum represent in a box plot?

Back

The minimum is the smallest value in the data set, represented by the leftmost point of the box plot.

Front

What does the maximum represent in a box plot?

Back

The maximum is the largest value in the data set, represented by the rightmost point of the box plot.

Front

What is the median in a box plot?

Back

The median is the middle value of the data set, dividing it into two equal halves, represented by the line inside the box.

Front

What is Q1 (lower quartile) in a box plot?

Back

Q1 is the median of the lower half of the data set, representing the 25th percentile.

Front

What is Q3 (upper quartile) in a box plot?

Back

Q3 is the median of the upper half of the data set, representing the 75th percentile.

Front

How do you find the median of a data set?

Back

To find the median, arrange the data in ascending order and locate the middle value.

Front

What is the interquartile range (IQR)?

Back

The IQR is the difference between Q3 and Q1, representing the range of the middle 50% of the data.

Front

How do you calculate Q1 from a data set?

Back

To calculate Q1, find the median of the lower half of the data set.

Front

How do you calculate Q3 from a data set?

Back

To calculate Q3, find the median of the upper half of the data set.