Table 1-Statistical Process Control (SPC) Problem Data for Service Waiting

question 13

Multiple Choice

Table 1-Statistical Process Control (SPC) Problem Data for Service Waiting Times
$\begin{array} { | c | c | c | c | } \hline \begin{array} { c } \text { Sample } \\\text { Number }\end{array} & \multicolumn{3}{|c|} { \text { Observation Number } } \\\hline & 1 & 2 & 3 \\\hline 1 & 9.6 & 10.2 & 9.8 \\\hline 2 & 9.4 & 10.0 & 10.4 \\\hline 3 & 9.9 & 9.6 & 9.0 \\\hline 4 & 9.3 & 10.5 & 9.9 \\\hline 5 & 9.7 & 9.2 & 9.7 \\\hline\end{array}$
-Given the previous results and analysis for the R-chart regarding service waiting times, one would:

• A) conclude that the R-chart is in statistical control and proceed to develop the x-bar chart.
• B) conclude that the R-chart is not in statistical control and proceed to develop the x-bar chart.
• C) investigate sample # 3 as it is outside the R-chart control limits and redo the R-chart.
• D) conclude that the variation is not random and the decreasing trend in the range should be investigated.

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Definitions:

Sociological Imagination

The ability to see the relationship between individual experiences and larger social influences.

Scientific Revolution

The period of significant advancements in science during the 16th and 17th centuries, which transformed views on society and nature.

Sociology

is the study of social behavior, society, patterns of social relationships, social interaction, and culture that surrounds everyday life.

Survival of the Fittest

A concept often used to describe the process whereby organisms better adapted to their environment tend to survive and produce more offspring.