(You do not need to calculate anything for this problem. Just explain your thinking) 2. A manufacturer of soft drinks employs a statistician for quality control. He needs to
check that 375 mL of drink is going into each can, but realizes the machine which fills the
cans will slightly vary each delivery.
a. Would you expect the standard deviation for the whole production run to be the
same for one day as it is for one week? Explain your answer.