Assume the same amount of observations were collected for each combination of levels of two factors. From

Question:

Assume the same amount of observations were collected for each combination of levels of two factors. From the interaction plot below, answer the following
a) How many levels does factor A have?
b) How many levels does factor B have?
c) Do you think there is an interaction effect?
d) Do you think that factor A has an impact on response?