The file Restaurants contains the cost per meal and the ratings of 50 city and 50 suburban restaurants on their food, décor, and service (and their summated ratings). (Data extracted from Zagat Survey 2013 New York City Restaurants and Zagat Survey 2012– 2013 Long Island Restaurants.) Complete the following for the urban and suburban restaurants:

a. Construct the five- number summary of the cost of a meal.

b. Construct a boxplot of the cost of a meal. What is the shape of the distribution?

c. Compute and interpret the correlation coefficient of the sum-mated rating and the cost of a meal.