Page 283 - PM Integrated Workbook 2018-19
P. 283
Advanced variances
Illustrations and further practice
Now try TYUs 8 to 10.
6.4 Problems when calculating mix and yield variances
Should only be used when the mix is controllable.
It is often found that the mix and yield variances are interdependent.
The standard may be obsolete.
The analysis ignores any potential impact on quality of output.
The calculations can be complicated.
275