In addition to weighing Doritos chips, I weighed six Snickers candy bars manufactured by Mars, Inc. Test the company's advertised claim that the net weight of a bar is 58.7 grams by performing a t test on the following data, which are in grams. Find d. Write a conclusion about Snickers bars.
59.1 60.0 58.6 60.2 60.8 62.1