The histograms show the distributions of the heights of the mothers and the fathers in the Pearson and Lee data. (The father histogram is shaded.) Select the true statements (one or more): The two histograms each have roughly the same average. The mothers and fathers are roughly 5 inches apart in height, on average. The two histograms each have roughly the same spread. The mothers and fathers are roughly 20 inches apart in height, on average. The two histograms are each roughly normal-shaped