A survey of a group of seventh graders and a group of teachers at a local middle school asked how many siblings they each have. The dot plots below show the results. Students
A dot plot titled Students. A number line going from 0 to 9 labeled number of siblings. There are 2 dots above 0, 4 above 1, 7 above 2, 5 above 3, 2 above 4, and 0 above 5, 6, 7, 8, and 9.

Teachers
A dot plot titled Teachers. A number line going from 0 to 9 labeled Number of siblings. There is 1 dot above 0, 3 dots above 1, 2 above 2, 4 above 3, 5 above 4, 3 above 5, 1 above 6, 0 above 7, 1 above 8, and 0 above 9.

Which compares the modes of the data?
The mode for the students is 2 and the mode for the teachers is 4.
The mode for the students is 0 and the mode for the teachers is 1.
The mode for the students is 4 and the mode for the teachers is 8.
The mode for the students is 2 and the mode for the teachers is 1.
question 2:
Renita analyzed two dot plots showing the snowfall during the winter months for City A and for City B. She found that the median snowfall is 5 inches less in City A than in City B and the mean snowfall is about 2 inches less in City A than in City B.

Which explains why there is a difference in the measures of center for the sets of data?