Consider the Following to Answer the Question(s) Below

question 1

Multiple Choice

Consider the following to answer the question(s) below:
A company manufacturing computer chips finds that 8% of all chips manufactured are defective. Management is concerned that high employee turnover is partially responsible for the high defect rate. In an effort to decrease the percentage of defective chips, management decides to provide additional training to those employees hired within the last year. After training was implemented, a sample of 450 chips revealed only 27 defects. Was the additional training effective in lowering the defect rate?
-Which of the following statement is true about this hypothesis test?

• A) It is a two-tailed test about a proportion.
• B) It is a one-tailed test about a mean.
• C) It is a one-tailed test about a proportion.
• D) It is a two-tailed test about a mean.
• E) No hypothesis test can be conducted with the given information.

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Definitions:

Personality Adjustment

The process by which individuals change their personality traits or behaviors over time to better fit their environment or to cope with new situations.

Cause

The reason or motive for an action, event, or condition, often examined to understand effects and outcomes.

Milgram's Obedience

A series of experiments conducted by Stanley Milgram, demonstrating individuals' willingness to obey authority figures, even to the extent of causing harm to others.

Burger's Replication

A study or experiment that attempts to replicate the findings of a previous study conducted by a researcher named Burger, often in the context of psychology.