4 Select the correct answer from each drop-down menu.

Martin and Clara decide to keep track of the number of different colors in two brands of tennis shoes, brand A and brand B. Their results are represented by the dot plots.

1)The mean absolute deviation for brand A is .

2)The mean absolute deviation for brand B is .

3)The mean absolute deviations for the two brands similar.

Choices for the lines:

1)1.905, 2.02, 4.9, 8,

2)1.905, 2.02, 5, 5.55

3)are not, are