1 Choose Stat
> Control Charts > Time-weighted Charts > EWMA.
2 Do one of the following:
· If
subgroups are in one or more columns, choose All
observations for a chart are in one column, then enter one or more
columns. In Subgroup
sizes, enter a number or a column of subscripts.
· If
subgroups are in rows, choose Observations
for a subgroup are in one row of columns, then enter a series of
columns.
3 If you like, use any dialog
box options, then click OK.
To make an EWMA chart