Use the Following Information to Answer the Question

question 27

Multiple Choice

Use the following information to answer the question. Below is the scatterplot showing the association between raw material (in tons) put into an injection molding machine each day (x) , and the amount of scrap plastic (in tons) that is collected from the machine every 4 weeks (y) . The residual plot of the data is also shown along with a QQ plot of the residuals.

-Choose the statement that best describes whether the condition for normality of errors does or does not hold for the linear regression model.

• A)The residual plot shows no trend, therefore the normality condition is not satisfied.
• B)The residual plot does not display a fan shape, therefore the normality condition is satisfied.
• C)The QQ plot mostly follows a straight line, therefore the normality condition is satisfied.
• D)The residual plot shows no trend, therefore the normality condition is satisfied.

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Definitions:

Ancillary Tasks

Supplementary tasks or duties that support the main goals or activities, often administrative or minor in nature.

Modified Wave

A scheduling method where appointments are set at the beginning of each hour, leaving the remainder of the hour for walk-ins or unforeseen tasks.

Workflow Tempo

The speed or rate at which work processes or activities are conducted within a specific environment or organization.

Modified Wave

A scheduling system designed to provide flexibility and efficiency in situations such as medical appointments or project planning.