Interpret the following charts to determine whether the processes are stable.

UCL

$($a$)$

CL $LCL$

UCL

$($b$)$

$CL$

LCL

UCL

$($c$)$

$CL$

LCL

UCL

$($d$)CL$

LCL

UCL

$($e$)$

$CL$

$LCL$

UCL

$($f$)$

$CL$ LCI

UCL

$($a$)CL$ LCL

UCL

$($e$)$

$($b$)$

CL LCL

UCL

$($c$)CL$

UCL

CL

LCL

UCL

CL

LCL

UCL

$($f$)CL$

LCL

$($d$)($e$)$

$6.$ Interpret the following charts to determine whether the processes are stable.

$($d$)CL$

$LCL$

UCL

$CL$

$LCL$

UCL CL LCL