Alg IIb - Obj 80 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

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

Back

To read a stem-and-leaf plot, the 'stem' represents the leading digit(s) of the data values, while the 'leaf' represents the trailing digit. For example, in the stem '5' and leaf '3', the data value is 53.

Front

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

Back

The purpose of a stem-and-leaf plot is to organize and display data in a way that allows for easy visualization of the distribution, while also preserving the actual data values.

Front

How do you determine the number of data points from a stem-and-leaf plot?

Back

Count the total number of leaves in the plot; each leaf represents one data point.

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 of the data values.

Front

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

Back

To find the median, list all the data values represented by the plot, then find the middle value.

Front

What is the mode in a data set represented by a stem-and-leaf plot?

Back

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

Front

How do you identify outliers in a stem-and-leaf plot?

Back

Outliers can be identified as data points that are significantly higher or lower than the rest of the data, often appearing as isolated leaves.

Front

What is the range of a data set?

Back

The range is the difference between the highest and lowest values in the data set.