A Quality Analyst Wants to Construct a Control Chart for Determining

question 6

Multiple Choice

A quality analyst wants to construct a control chart for determining whether three machines, all producing the same product, are in control with regard to a particular quality variable. Accordingly, he sampled four units of output from each machine, with the following results: $$\begin{array} { c c c c c } \text { Machine } && { \text { Measurements } } \\\hline \# 1 & 17 & 15 & 15 & 17 \\\# 2 & 16 & 25 & 18 & 25 \\\# 3 & 23 & 24 & 23 & 22\end{array}$$
What are the x-bar chart three-sigma upper and lower control limits?

• A) 22 and 18
• B) 23.29 and 16.71
• C) 23.5 and 16.5
• D) 23.16 and 16.84
• E) 24 and 16

Analyze the impact of trade (both free and restricted) on domestic producers and consumers.

Calculate the domestic quantity demanded and supplied in the context of international trade.

Evaluate the effect of government policies (tariffs, quotas, and free trade agreements) on the domestic economy, including deadweight loss and government revenue.

Understand the concepts of producer surplus and consumer surplus before and after trade is introduced or restricted.

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