Angela is now going to evaluate a new salt process delivery system and wants to know if the upper and lower control limits at 3 standard deviations for the new system will meet the upper and lower control specifications noted earlier. the population standard deviation is = .07. the data (in percent) from the initial trial samples are:

sample 1: 1.98 2.11 2.15 2.06
sample 2: 1.99 2.0 2.08 1.99
sample 3: 2.20 2.10 2.20 2.05
sample 4: 2.18 2.01 2.23 1.98
sample 5: 2.01 2.08 2.14 2.16

(a) what are the advantages and disadvantages of frito-lay drivers stocking their customers' shelves?
(b) why is quality a critical function at frito-lay?