when the average(arithmetic mean)and the median of a numeric variable are equal ,it follows that the values of the variable are__________.

a)skewed to the right

b)skewed to the left

c)distributed symmetrically about the mean

d)normally distributed

2)when plotting the points of a scotterplot in which the relation between the two variables X and Y is exponential,it may help to first apply a _____________transformation.

a)linear

b)parabolic

c)logarithmic

d)none of the above