$.\_\_\_\_\_\_\_$ variation is a variation whose cause can be identified.

Assignable

Uncontrollable

Random

Statistical

Theoretical

The main purpose of control charts is to:

estimate the proportion of output that is acceptable.

weed out defective items.

determine if the input is within tolerances$/$specifications$.$

distinguish between random variation and assignable variation in the process.

provide meaningful work for only quality inspectors.

The range chart $($R$-$chart$)$ is most likely to detect a change in:

proportion.

mean.

number defective.

variability.

sample size.

A process results in a few defects occurring in each unit of output. Long$-$run, these defects should be monitored with:

p$-$charts.

c$-$charts.

x$-$bar charts.

R$-$charts.

o$-$charts.

A stock or store of goods is called a$($n$)$:

bundler.

servicer.

retailer.

supply chain.

inventory.

The two main concerns in inventory management are? $($pick two$)$

Level of customer service

Customer group segmentation

Inventoy turnover Level of customer service

Costs of ordering and carrying inventories

simplicity of distribution channel

Which of the following is typically the largest of all inventory costs?

forecasting cost

purchase cost

holding cost

ordering cost

sorting cost