The number of absences per student in each of two classes is shown on the dot plots below.

A dot plot titled Number of absences per student in Misses Anderson's class. The number line goes from 0 to 6. There is 1 dot above 0, 3 above 1, 3 above 2, 3 above 3, 1 above 4, and 0 above 5 and 6.
A dot plot titled Number of absences per student in Misses Bergot's class. The number line goes from 0 to 6. There is 1 dot above 0, 1 above 1, 2 above 2, 3 above 3, 2 above 4, 1 above 5, and 1 above 6.

Which statements accurately compare the two data sets? Select three options.
The mean number of absences is greater in Mrs. Anderson’s class.
The mean number of absences is greater in Mrs. Bergot’s class.
There is more variability in Mrs. Anderson’s data set.
There is more variability in Mrs. Bergot’s data set.
The mean and MAD are better representations of these data sets than the median and IQR.

The mean number of absences is greater in Mrs. Bergot’s class.

There is more variability in Mrs. Bergot’s data set.

The mean and MAD are better representations of these data sets than the median and IQR.

Explanation:

When you add the number of each student's absences and divide by the number of students in the class, Ms. Bergot's class mean is 3; whereas, Mrs. Anderson's mean is 2.

The range (difference between the highest and lowest number on the dot plot)is greater in Mrs. Bergot's data set meaning there is also greater variability.  

The mean and MAD are better because the data set is not incredibly skewed.

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