Question $9$

For a cookie making process, the USL and LSL sugar content in $100$ grams of cookies are

$27$ grams and $33$ grams. If the cookie maker wants the process to have process capability

index Cp equal to $2,$ what should be the standard deviation of number of grams of sugar in

$100$ grams of cookies?

$2$ grams

$0\mathrm{.}5$ grams

$3$ grams

$1$ grams Question $2$

The observed sales for January, February, March are $111,103,$ and $104,$ respectively.

Assuming the sales forecast of $109$ for January, what is the sales forecast for April with

exponential smoothing method with alpha $=0\mathrm{.}5?$

Round your answer to the nearest integer.Question $1$

The observed sales for January, February, March and April are $180,194,190$ and $199,$

respectively. What is the forecasted sales for May using $3-$period moving averages

method?

Round your answer to the nearest integer.