SCENARIO 18-9
the Manufacturer of Canned Food Constructed Control Charts

question 49

Short Answer

SCENARIO 18-9
The manufacturer of canned food constructed control charts and analyzed several quality
characteristics. One characteristic of interest is the weight of the filled cans. The lower specification
limit for weight is 2.95 pounds. The table below provides the range and mean of the weights of five
cans tested every fifteen minutes during a day's production. $\begin{array}{|r|r|r||r|r|r|}\hline {\text { Number }} & {\text { XBar }} &{\text { Range }} & {\text { Number }} & {\text { XBar }} & \text { Range } \\\hline 1 & 3.05072 & 0.0215 & 16 & 3.04646 & 0.073 \\\hline 2 & 3.01228 & 0.087 & 17 & 3.03868 & 0.0696 \\\hline 3 & 3.03558 & 0.0851 & 18 & 3.03338 & 0.0329 \\\hline 4 & 3.01014 & 0.0674 & 19 & 3.03322 & 0.0455 \\\hline 5 & 3.00858 & 0.0983 & 20 & 3.05078 & 0.0215 \\\hline 6 & 3.02704 & 0.0527 & 21 & 3.04808 & 0.0396 \\\hline 7 & 3.04268 & 0.0508 & 22 & 3.05348 & 0.0581 \\\hline 8 & 3.01052 & 0.0791 & 23 & 3.05516 & 0.0682 \\\hline 9 & 3.03464 & 0.0663 & 24 & 3.03426 & 0.0325 \\\hline 10 & 3.02034 & 0.0538 & 25 & 3.0516 & 0.0641 \\\hline 11 & 3.03764 & 0.0584 & 26 & 3.05562 & 0.0809 \\\hline 12 & 3.0409 & 0.0434 & 27 & 3.04402 & 0.0374 \\\hline 13 & 3.0519 & 0.0762 & 28 & 3.06458 & 0.0284 \\\hline 14 & 3.03994 & 0.0833 & 29 & 3.0544 & 0.0738 \\\hline 15 & 3.03788 & 0.0601 & & & \\\hline\end{array}$

-Referring to Scenario 18-9, an $\bar { X }$ chart is to be used for the weight. The lower control limit for
this data set is ________, while the upper control limit is ________.

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Definitions:

Unit Retail Price

The price at which a single unit of a product is sold to consumers in the retail market.

Retail Price

The total cost at which a product or service is sold to the end consumer, inclusive of all markups.

US Dollar

The official currency of the United States, widely used as a standard of exchange in international markets.

Euro

The official currency of nineteen of the twenty-seven European Union countries, known collectively as the Eurozone.