Mr. Guyere’s two freshman science classes took a test on Chapter 7. The results are

shown in the table below.

What can be done to make the data overlap more or less?

A. The mean and median have similar values for both classes. This means that

the data overlaps. To make the data overlap less, a constant value needs to

be added or subtracted from all of the observations in one of the classes.

B. The mean and median do not have similar values for either class. This means

that the data does not overlap much. To make the data overlap more, remove

the very low score from fifth period, which will change the measures of central

tendency.

C. The mean and median have similar values for both classes. This means that

the data does not overlap much. To make the data overlap more, remove the

very low score from fifth period, which will change the measures of central

tendency.

D. The mean and median do not have similar values for both classes. This

means that the data overlaps. To make the data overlap less, a constant value

needs to be added or subtracted from all of the observations in one of the

classes.

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