Answer:
C. The parties with a larger number of customers are associated with the longer times elapsed until the party left the restaurant.
Explanation:
The relationship between the number of customers in a party and the time elapsed until the party left the restaurant is linear, that is, the parties with a larger number of customers are associated with the longer times elapsed until the party left the restaurant.
The number of customers in a party at the restaurant and the time elapsed until the party left the restaurant is strongly, positively correlated.