Answer
The scatterplot is the best.
Work Step by Step
In a scatterplot we keep one variable constant and only one variable changes, therefore the scatterplot is the best if checking the connection between two sets of data.
Essentials of Statistics (5th Edition)
by Triola, Mario F.
Published by
Pearson
ISBN 10:
0-32192-459-2
ISBN 13:
978-0-32192-459-9
Chapter 2 - Summarizing and Graphing Data - Review - Chapter Quick Quiz - Page 74: 7
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