Your job is to test the number of calories in food. Seventeen samples of the brand-name product have a mean of 158.706 and a sample standard deviation of 25.236, when 17 are tested. Seventeen samples of the generic-name product have a mean of 122.471 and a sample standard deviation of 26.483, when 17 are tested. Which of the following represents the 95% confidence interval for the difference in mean amount of calories?
O (17.79, 54.67)
O (18.161, 54.309)
O (17.01, 55.46)
O (18.23, 54.24)