Table 4.10 shows the scores for each of the four games in the 2018 NBA finals between the Cleveland Cavaliers and the Golden State Warriors.

a. What was the mean score for the Warriors in the series? For the Cavaliers?
What is the difference between the mean scores?

b. For each game, by how many points did the winning team beat the losing team?

c. What is the mean of the score differences between the winning and losing teams across the four games?

d. Show why the difference between the mean scores from Part a is equal to the mean of the score differences for the four games.