The file ZAGAT2014 gives results from a sample of restaurant reviews in the 2014 Zagat restaurant guide. The sample is taken only from the population of all Zagat rated restaurants in the outer boroughs of NYC (so Manhattan is not included and you can see that in the column titled 'Location'). The data is on the cost of dinner (including one drink and tip), ratings for food, décor and service (the maximum possible rating is 30 in any category). a) Compute a 95