A Quality Analyst Wants to Construct a Control Chart for Determining

question 57

Multiple Choice

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

• A) 15
• B) 16
• C) 17
• D) 21
• E) 23

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Definitions:

Ethnic Groups

Groups of people who identify with each other based on common ancestry, language, history, society, culture, or nation.

Hostility

Feelings or acts of opposition, aggression, or animosity towards individuals or groups.

Spatial Separation

The physical distancing between groups or areas, often leading to social segregation or differences in access to resources.

Institutional Separation

The division of societal structures or organizations into distinct entities, often to maintain independence or for the purpose of specializing in different areas.