DJ Sbu manufacture Mofaya energy drinks. Each bottle should have a net weight of 4 ounces. The machine that fills the bottles with the energy drink is new and DJ Sbu has requested your assistance to make sure that the machine is properly adjusted. You take a sample of n=8 bottles and records the average and range in ounces for each sample. The data for several samples are given in the following table. Note that every sample consists of 8 bottles. You are required to determine whether the machine is properly adjusted and in control. Interpret your findings