$2\mathrm{.}1$ Select a component product or a process and explain its elements or

study its design drawing, dimensions, and tolerances.

$(2)$

$2\mathrm{.}2$ Develop a quality control sheet to capture the product attributes and

variables and production information.

$(5)$

$2\mathrm{.}3$ Take measurements and illustrate them using a control chart over a

production period and identify variations, defects of failures. Use ABC

analysis to identify the major and minor failures.

$.$

$(5)$

$2\mathrm{.}4$ Use statistical analysis to calculate the variable, mean, variance and

standard deviations of the variable measured and fit a distribution of

the variation.

$(5)$

$2\mathrm{.}5$ Identfiy the causes of variations and recommend ways of reducing it

by identifying assignable and non$-$assignable causes.

$(3$