Instructions The manufacturer of a popular soft drink claims that cans of this drink contain 12 fluid ounces. A consumer group is suspicious of this claim and believes the amount in each can is less than 12 fluid ounces. A random sample of 20 cans is selected and the amount (in ounces) in each can is measured. The results are as follows: 11.9 11.8 12.0 11.5 12.0 12.1 12.0 11.9 11.6 12.1 11.7 11.8 11.9 12.2 12.1 11.7 12.0 11.8 11.7 12.3 Please only do Questions 4 and 6