Your company makes bicycles and use a C chart to monitor the number of defects associated with your process. Your sample size is constant and on average you find $6$ defects per sample. Identify the upper and lower control limits for the C chart

Question $14$Answer

a$.$

$11\mathrm{.}71$ and $-1\mathrm{.}71$

b$.$

$13\mathrm{.}35$ and $0$

c$.$

$11\mathrm{.}71$ and $0$

d$.$

$13\mathrm{.}35$ and $-1\mathrm{.}35$