What conclusion can be determined from the dot plot below?

a. the median of the data set is 3.
b. the mean of the data set is 3.
c. the range of the data set is 5.
d. the number of observations is 15.

Iwill give brainliest. suppose tommy walks from his home at (0, 0) to the mall at (0, 5), and then walks to a movie theater at (6, 5). after leaving the theater tommy walks to the store at (6, 0) before returning home. if each grid square represents one block, how many blocks does he walk?