A Plastic Cell Phone Case Has Been Experiencing Physical Quality

question 108

Multiple Choice

A plastic cell phone case has been experiencing physical quality control problems. That is, the clear screen does not always fit (and snap into place) on the case. The dimensions of the screen have consistently been in statistical process control (SPC) . A root cause quality initiative collected the following data about the plastic cell phone case. Analyze the width of the cell phone case using control charts and make a recommendation.
Table 1 Cell Phone Plastic Case Widths in Centimeters Data*
$\begin{array} { | c | c | c | c | c | c | c | c | } \hline & \text { Sample 1 } & \text { Sample 2 } & \text { Sample 3 } & \text { Sample 4 } & \text { Sample 5 } & \text { Sample 6 } & \text { Sample 7 } \\\hline \text { Observation } & & & & & & & \\\hline \# 1 & 6.02 & 5.92 & 5.88 & 5.99 & 6.05 & 5.94 & 6.00 \\\hline \# 2 & 5.97 & 5.83 & 5.97 & 6.08 & 6.06 & 5.96 & 5.95 \\\hline \# 3 & 5.90 & 5.87 & 5.88 & 6.08 & 5.98 & 5.99 & 5.82 \\\hline \text { Average } & 5.963 & 5.873 & 5.91 & 6.05 & 6.03 & 5.963 & 5.923 \\\hline \text { Range } & 0.12 & 0.09 & 0.09 & 0.09 & 0.08 & 0.05 & 0.18 \\\hline\end{array}$ *The sample averages and ranges helps in avoiding simple math errors and quickens the time to complete the SPC analysis.
-Using Table 1 for the R-chart, what is the value of UCL_R?

• A) Less than or equal to 0.2
• B) Greater than 0.2 but less than or equal to 0.3
• C) Greater than 0.3 but less than or equal to 0.4
• D) Greater than 0.4

Understand the role of segmentation in marketing communications strategy.

Appreciate the process of segmenting markets using multiple segmentation methods.

Recognize the importance and application of benefit segmentation in targeting specific consumer needs.

Understand the significance of loyalty segmentation for customer retention and profitability.

---

Definitions:

Affective

Pertains to emotions or feelings, often used in psychology to describe aspects of human behavior and mental processes related to mood, emotions, and affective states.

Stereotypic Traits

Generalized and often simplified characteristics attributed to a particular group of people, frequently based on misconceptions or incomplete information.

Attitudes Toward Women

The beliefs, feelings, and behavioral tendencies directed towards women, which can be positive, negative, or neutral.

Changing

Changing involves the process of making or becoming different in some respect.