Spring $23-24$

PART $1$: Multiple Choice Questions $(27$ questions $-1\mathrm{.}5$ points each $-40\mathrm{.}5$ points in total$)$ Please choose the single correct answer $($or the answer closest to your own$)$ for each of the following questions.

Assignable causes:

a$.$ are not as important as natural causes.

b$.$ are within the limits of a control chart.

c$.$ depend on the inspector assigned to the job.

d$.$ are also referred to as "chance" causes.

e$.$ are causes of variation that can be identified and investigated.