Page 236 - Microsoft Word - 00 Prelims.docx

Chapter 10

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.

230