The dot plot showed that 13 substances had their mass recorded during the experiment
What is a graph?
A graph is used to provide a pictorial representation or diagram so as to represents data in an orderly way. Examples of graphs are histogram, box plot, pie chart, dot plot.
A Dot Plot is used to provide a graphical display of data using dots.
From the dot plot:
Number of substances = 4 + 1 + 2 + 2 + 4 = 13
The dot plot showed that 13 substances had their mass recorded during the experiment
Find out more on graph at: https://brainly.com/question/14323743
