Raven, a School Teacher, Wanted to Show Her Students the Relationship

Raven, a school teacher, wanted to show her students the relationship between the number of hours of study and the test marks scored.She plotted the hours of study on the x-axis, and the test scores of 30 students on the y-axis.The resulting trend line revealed a positive relationship between the two.In this case, Raven has used a:

A) Gantt chart.
B) pie chart.
C) flowchart.
D) chevron chart.
E) scatter plot.