Please match each description with the correct chart type.

"There will be multiple matches for some chart types$*$

A control chart for variables is used to monitor characteristics that can be measured and have a continuum of values, such as height, weight, or volume.

Control charts for attributes are used for quality characteristics that B$.x-$bar chart are counted rather than measured.

A$.p$ and $c$

A control chart that monitors the proportion of defects in a sample.

C$.$ p$-$chart used when both the total sample size and the number of defects

D$.$ C$-$chart can be computed

E$.$ r$-$chart

used to monitor the number of defects per unit.

F$.x$ and $r$

monitors changes in the dispersion or variability of a process.

used to monitor changes in the mean value of a process.

used when we can compute only the number of defects but cannot compute the proportion that is defective.