Dot Plots & Box Plots

Front

What is a dot plot?

Back

A dot plot is a statistical chart that consists of dots representing the frequency of data points along a number line.

Front

What is a box plot?

Back

A box plot, or box-and-whisker plot, is a graphical representation of data that shows the distribution through five summary statistics: minimum, first quartile (Q1), median, third quartile (Q3), and maximum.

Front

What does the interquartile range (IQR) represent?

Back

The interquartile range (IQR) represents the range of the middle 50% of the data, calculated as Q3 - Q1.

Front

How do you find the minimum value in a data set?

Back

The minimum value is the smallest number in the data set.

Front

What is the mode of a data set?

Back

The mode is the value that appears most frequently in a data set.

Front

How do you calculate the range of a data set?

Back

The range is calculated by subtracting the minimum value from the maximum value.

Front

What is the median of a data set?

Back

The median is the middle value when the data set is ordered from least to greatest.

Front

What does Q1 represent in a box plot?

Back

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

Front

What does Q3 represent in a box plot?

Back

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

Front

How many data points are in the interquartile range?

Back

The interquartile range includes the middle 50% of the data points.