SCENARIO 15-5
a Manufacturer of Computer Disks Took Samples of 240

question 67

Short Answer

SCENARIO 15-5
A manufacturer of computer disks took samples of 240 disks on 15 consecutive days.The number of disks with bad sectors was determined for each of these samples.The results are in the table that follows. $\begin{array}{ccc} \underline{\text { Day }} & \underline{\mathrm{Bad}} & \text { \% } \underline{\mathrm{Bad}}\\1 & 9 & 0.037500 \\2 & 7 & 0.029167 \\3 & 4 & 0.016667 \\4 & 6 & 0.025000 \\5 & 8 & 0.033333 \\6 & 3 & 0.012500 \\7 & 6 & 0.025000 \\8 & 10 & 0.041667 \\9 & 16 & 0.066667 \\10 & 24 & 0.100000 \\11 & 15 & 0.062500 \\12 & 9 & 0.037500 \\13 & 4 & 0.016667 \\14 & 8 & 0.033333 \\15 & 6 & 0.025000\end{array}$
-Referring to SCENARIO 15-5, a p control chart is to be made for these data.The center line of the control chart is .

---

Definitions:

Regression

A return to earlier stages of development or behavior in response to stress or trauma.

Freud

Sigmund Freud, an Austrian neurologist, pioneered psychoanalysis, which is a therapeutic approach for addressing mental disorders through conversations between a psychoanalyst and their patient.

Ego

A psychoanalytic term referring to the part of the mind that mediates between the conscious and the unconscious and is responsible for reality testing and a sense of personal identity.

Id

In psychoanalytic theory, the part of the psyche that is the source of instinctual impulses and demands for immediate gratification.