Question

Jen wants to find out which of four surfaces produces the least friction when a ball rolls over it. She designs an experiment in which the same type of object rolls over each material under the same conditions. She repeats the experiment three times for each material, averaging how far the object travels before stopping during the three trials. Which would be the best way for Jen to analyze the data?

A.in a bar graph
B.as a line graph
C.as a circle graph
D.in a Venn diagram

Answer 1

Explanation:

Jen wants to find out which of four surfaces produces the least friction when a ball rolls over it. She designs an experiment in which the same type of object rolls over each material under the same conditions. She repeats the experiment three times for each material, averaging how far the object travels before stopping during the three trials. Which would be the best way for Jen to analyze the data?

A