Question

According to dr. Shewart (bell labs), there are two types of variation: select one:

a.Normal variation and random variation.

b.Normal variation and assignable cause variation.

c.Common cause variation and assignable cause variation.

d.Common cause variation and random variation.

Answer 1

Hey frnd

Answer to your question is (b) Normal variation and assignable cause variation

Hope it helps u..

Answer 2

The answer is b option