a few extra features added to the product.

conformance to established requirements.

none of the above is correct.

Question $31$

Given forecast errors of $-5,-10,$ and $+15,$ the MAD is:

$0$

$10$

$30$

$175$

None of tive above.

Question $32$

If someone approaches and asks you to explain clearly the purpose of control charts, you

estimate the proportion of output that is acceptable.

weed out defective items