Question

Listed below are the amounts of mercury (in parts per million, or ppm) found in tuna sushi sampled at different stores in New York City. They study was sponsored by the New York Times, and the stores (in order) are D’Agostino, Eli’s Manhattan, Fairway, Food Emporium, Gourmet Garage, Grace’s Marketplace, and Whole Foods. (5 points) 0.56 0.75 0.10 0.95 1.25 0.54 0.88

Construct a 90% confidence interval estimate of the mean amount of mercury in the population of tuna sushi sold at stores in New York City

Answer 1

Confidence interval for the mean