For a Sample of 20 IQ Scores the Mean Score $\sigma _ { , }$

question 87

Multiple Choice

For a sample of 20 IQ scores the mean score is 105.8. The standard deviation, $\sigma _ { , }$ is 15. Determine whether a normal distribution or a t-distribution should be used or whether neither of these can be used to construct a
Confidence interval. Assume that IQ scores are normally distributed.

• A)Use normal distribution.
• B)Use the t-distribution.
• C)Cannot use normal distribution or t-distribution.

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Definitions:

Composition

The makeup or structure of something, in finance it might refer to the mix of assets in a portfolio or ingredients of a financial product.

Creditors

Entities or individuals to whom money is owed by a person or company.

Absolute Priority Rule

A principle in bankruptcy proceedings that senior creditors are paid before junior creditors and shareholders.

Liquidation

Termination of the firm as a going concern.