A graph that can be used to visualize the correlation coefficient is the
A) line graph.
B) bar graph.
C) stem-and-leaf chart.
D) scatter plot.

Question

Quizplus · Accepted Answer

The best choice to visualize the correlation coefficient is the scatter plot, as it allows us to plot the values of two variables on two axes and observe the pattern of their relationship. The correlation coefficient represents the strength and direction of this relationship, and a scatter plot enables us to visually assess the extent to which the data points are clustered around a line. This allows us to interpret the correlation coefficient better and assess the presence of any outliers or anomalies. Line graphs and bar graphs are not suitable for this purpose, as they are typically used to show trends in a single variable or compare different categories. Stem-and-leaf charts are a useful tool for displaying the distribution and frequency of a single variable but do not provide information about the relationship between two variables.

A Graph That Can Be Used to Visualize the Correlation