An Operator Wants to Determine the Standard Deviation for a Machine

question 19

Multiple Choice

An operator wants to determine the standard deviation for a machine she operates.To do this,she wants to create a p-chart.Over a month's time,she collects 30 samples of 75 observations each and records the number of errors.The average proportion defective is found to be 0.024.Which of the following is the standard deviation (s) of the machine?

• A) Less than or equal to 0.1
• B) More than 0.1 but less than or equal to 0.5
• C) More than 0.5 but less than or equal to 1.0
• D) More than 1.0

---

Definitions:

Haptics

Refers to the use of touch in communication or interaction with technology, providing feedback through vibrations or movements.

Poor Design Decisions

Choices made during the design process that negatively affect the usability, functionality, or aesthetic appeal of a product or service.

Readability

The ease with which text can be read and understood by its intended audience, often influenced by factors like sentence structure and vocabulary.

Effectiveness

The degree to which something is successful in producing a desired result.