PROBLEMS FOR SECTIONS $5\mathrm{.}1$ AND $5\mathrm{.}2$

Suppose that Mac only kept track of the number of magazines sold. Would this give an

accurate representation of the demand for the Journal? Under what circumstances would

the actual demand and the number sold be close, and under what circumstances would

they differ by a substantial amount?

What is the difference between deterministic and random variations in the pattern of

demands? Provide an example of a real problem in which predictable variation would be

important and an example in which random variation would be important.

Oakdale Furniture Company uses a special type of woodworking glue in the assembly of

its furniture. During the past $36$ weeks, the following amounts of glue $($in gallons$)$ were