The Printout Below Refers to the Weekly Closing Stock Prices

question 106

Multiple Choice

The printout below refers to the weekly closing stock prices for Air Canada on 20 randomly selected weeks in 2000. Using a 5% level of significance, can you say that the average Air Canada stock price was different from $19.50?

• A) Fail to reject the null hypothesis and conclude the mean stock price was $19.50.
• B) Reject the null hypothesis and conclude the mean stock price was lower than $19.50.
• C) Reject the null hypothesis and conclude the mean index was greater than $19.50.
• D) Reject the null hypothesis and conclude the mean index was different from $19.50.

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Definitions:

Self-determination

The process by which a person controls their own life.

Psychological Empowerment

A motivational construct characterized by an individual's sense of control over their work, understanding of their role's significance, belief in their competence, and perception of opportunities to innovate.

High Competence

Having a high level of skill, knowledge, and ability in a particular field or activity.

Self-determination

The right of people to choose their own form of government and destiny without external influence.