The following data represent the ages on the ceremony date of the Academy Award winners for Best Actor and Best Actress in a leading role for the 37 years from 1978 to 2014.

(a) Construct a back-to-back stem-and-leaf plot.
(b) Compare the two populations. What can you conclude from the back-to-back stem-and-leaf plot?
We compare data sets. A great way to compare two data sets is through back-to-back stem-and-leaf plots. The figure represents the number of grams of fat in 20 sandwiches served at McDonald's and 20 sandwiches served at Burger King.

Best Actor Ages 42 53 50 55 42 54 30 40 76 45 37 39 51 44 52 36 62 43 48 32 37 32 45 36 50 60 38 29 43 46 40 47 38 45 39 37 Best Actress Ages 33 74 33 44 26 39 32 41 33 31 32 22 49 38 61 21 41 29 33 42 80 25 26 36 45 45 49 34 33 29 35 35 28 30 29 61 62