The Quality Control Manager of a Major Cell Phone Provider

question 127

Multiple Choice

The quality control manager of a major cell phone provider is concerned about the life of the cell phone batteries they use. He took a sample of 13 batteries from a recent shipment and used them continuously until they failed to work. The manager measured the number of hours the batteries lasted and found the mean to be 550.4 with a standard deviation of 315.3.
-How much evidence do we have that the mean life is more than 400 hours?

• A)No evidence
• B)Some evidence
• C)Strong evidence
• D)Very strong evidence
• E)Extremely strong evidence

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Definitions:

Unconscious Thoughts

Mental processes that occur without conscious awareness, influencing feelings, actions, and decisions in ways that are not fully apparent to the individual.

Psychoanalytic Techniques

Methods used in psychoanalysis to explore the unconscious mind and resolve deep-seated psychological conflicts.

Self-Esteem

Self-esteem refers to the perception and evaluation of one's own worth, including feelings of confidence and respect for oneself.

Free Association

A psychoanalytic technique in which a patient says whatever comes to mind without censorship, used to explore unconscious thoughts and feelings.