Stem-and-Leaf Plots

Front

What is a stem-and-leaf plot?

Back

A stem-and-leaf plot is a method of displaying quantitative data in a graphical format, similar to a histogram, to retain the original data values while showing their distribution.

Front

What does the 'stem' represent in a stem-and-leaf plot?

Back

The 'stem' represents the leading digit(s) of the data values.

Front

What does the 'leaf' represent in a stem-and-leaf plot?

Back

The 'leaf' represents the trailing digit(s) of the data values.

Front

How do you read a stem-and-leaf plot?

Back

To read a stem-and-leaf plot, combine the stem with each leaf to form the original data values.

Front

What is the purpose of using a stem-and-leaf plot?

Back

The purpose is to organize data to easily see its shape, distribution, and to identify the median, mode, and range.

Front

How can you find the median from a stem-and-leaf plot?

Back

To find the median, list all the data values represented in the plot and find the middle value.

Front

What is the mode in a data set?

Back

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

Front

How do you determine the range of a data set from a stem-and-leaf plot?

Back

The range is determined by subtracting the smallest value from the largest value in the data set.

Front

If a stem-and-leaf plot shows a stem of '5' with leaves '0, 1, 2', what are the data values?

Back

The data values are 50, 51, and 52.

Front

What is the smallest value in a stem-and-leaf plot with stems '1' and '2' and leaves '0, 3' and '5, 6'?

Back

The smallest value is 10.