OM $235$ Homework$-7$

Please place each of your answers inside the rectangular box that is next to each question. Each question

is worth two points unless otherwise indicated. There are $28$ potential points. $($Revised: Mar. $7,2024.)$

Name:

Question $1.$ Process Improvement

$($a$)$ Process capability: Enter $$true$$ or $$false$$ into the boxes for the statements

below as appropriate.

$1.$ Process capability is a measure of how many products produced by a

process are defective.

$2.$ A process with a process capability of $2-$sigma is better than one with $4-$

sigma.

$3.$ The higher the variability of a process, the higher its process capability.

$4.$ The choice of a product$$s design specifications affects process capability

even if the mean and standard deviation of the process do not change.

$5.$ Process capability increases as its design specifications tighten $($i$.$e$.,$ the

distance between the upper and lower design specifications decreases$).$

$6.$ Customer wants are not always adequately reflected in product

specifications.

$($b$)$ Process Improvement Process. Enter $$true$$ or $$false$$ into the boxes for the

statements below as appropriate.

$1.$ The only reason to engage in process improvement is to improve product

quality.

$2.$ Quality depends on the expectations and wants of the customer.