Find a common denominator for the pair of fractions 3/4 and 1/3 then write equivalent fractions with the common denominator.

common denominator = 12

3 x 3                              9/12

4 x 3

1  x 4                              4/12

3 x 4

so 9/12 and 4/12

the correct answer is b) histograms can be used to exhibit the shape of distributions. this is because histograms count the frequency of each possible answer, so one is able to see which results are more common and which are less common.