To find: The suitable option for the usage of a back-to-back stem plot.
The correct option is (B)
Given:
The options given are
A. Identification of outliers
B. Comparison of two data distribution
C. Merging two sets of data.
D. Creating graph of home runs
E. Distinguishing stems from leaves.
Explanation:
The back-to-back stem plot is plotted in a way that displays the different leaves representing two data distributions on each side of the same stems.
A stem plot can be used to identify the outliers like many other plots, but it is not the particular reason to use a back-to-back stem plot. Merging two data sets, will one data distribution be shown as a stem and leaf plot, whereas the back-to-back stem plot has two data distributions.
Graphing home runs can be done using any plot and it is not the particular cause for using back-to-back stem plots.
Distinguishing stems from leaves can be done with proper scale even in stem plots so it is not a particular reason to use a back-to-back stem plot.
In simple words, the stem plot is used to display the data distribution of a data set, whereas back-to-back stem plot has leaves on both sides of the same stems which shows the data distribution of two data sets.
Conclusion:
The particular reason to use the back-to-back stem plot is two compare two data distributions. Option B is correct.
Chapter 10 Solutions
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