Data on the weights (lb) of the contents of cans of diet soda versus the contents of cans of the regular
version of the soda is summarized to the right. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Use a 0.05 significance level for both parts.
x= 0.79031 lb
s= 0.00437 lb
x= 0.81347 lb
s= 0.00753 lb