A Manager of the Credit Department for an Oil Company

question 46

Multiple Choice

A manager of the credit department for an oil company would like to determine whether the mean monthly balance of credit card holders is equal to $75.An auditor selects a random sample of 100 accounts and finds that the mean owed is $83.40 with a sample standard deviation of $23.65.If you wanted to test whether the mean balance is different from $75 and decided to reject the null hypothesis,what conclusion could you reach?

• A)There is not evidence that the mean balance is $75.
• B)There is not evidence that the mean balance is not $75.
• C)There is evidence that the mean balance is $75.
• D)There is evidence that the mean balance is not $75.

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Definitions:

Degeneration

The process by which tissue deteriorates over time, losing structure and function, often associated with diseases and aging.

Nervous System

A complex network of nerves and cells that transmits signals between different parts of the body.

Synapse

The junction between neurons where electrochemical signals are transmitted from one neuron to another, facilitating communication within the brain.

Neuronal

Relating to neurons, which are the basic working units of the brain, responsible for receiving, processing, and transmitting information through electrical and chemical signals.