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Home > CC2MN > Chapter 9 > Lesson 9.1.5 > Problem 9-66
How many pieces of data, or observations, does Jerome have?
Refer to the data.
Make a stem-and-leaf plot of the data.
Jerome wants to present the data with a plot that makes it possible to calculate the mean and the median. Can he do this with a stem-and-leaf plot? He is not asking you to calculate them, but he wants you to tell him if it is possible and why.
Does the stem-and-leaf plot show all of the data points?
Use the stem-and-leaf plot to describe how the data is spread. That is, is it spread out, or is it concentrated mostly in a narrow range?
Where are most of the values concentrated?
Would it be helpful for Jerome to create a dot plot to display and analyze the data from problem 9-66? Why or why not?
Would it be practical to put this information into a dot plot?
No, there are too many data points that do not repeat.
Make a stem-and-leaf plot using the eTool below.
Click the link at right for the full version of the eTool: 9-66 HW eTool (Desmos)