Organic Grains LLC uses statistical process control to ensure that its$$ health$-$conscious, low$-$fat, multigrain sandwich loaves have the proper weight.

Based on a previously stable and$$ in$-$control process, the control limits of the $-$ and$$ R$-$charts are:

$=,=$;

$=,=.$

Over the past few$$ days, they have taken five random samples of four loaves each and have found the$$ following:

$$

Net Weight

Sample

Loaf$$ # $1$

Loaf$$ # $2$

Loaf$$ # $3$

Loaf$$ # $4$

$1$

$2$

$3$

$4$

$5$

Part $2$

Based on the $-$chart, is one or more samples beyond the control$$ limits$?$

$$

No

Yes

$.$

Part $3$

Based on the$$ R$-$chart, is one or more samples beyond the control$$ limits$?$

$$

Yes

No

$.$