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 frequency of data points.

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 difference between a stem-and-leaf plot and a histogram?

Back

A stem-and-leaf plot retains the original data values, while a histogram groups data into ranges.

Front

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

Back

1. Organize the data in ascending order. 2. Identify the stems and leaves. 3. Write the stems in a vertical column and the corresponding leaves to the right.

Front

What is a key advantage of using a stem-and-leaf plot?

Back

A key advantage is that it allows for easy visualization of data distribution while preserving the actual data values.

Front

What type of data is best represented by a stem-and-leaf plot?

Back

Stem-and-leaf plots are best for small to moderate-sized sets of quantitative data.