The Printout Below Refers to the Weekly Closing Stock Prices

question 86

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:

Limited Search

The act of conducting a search or investigation with restricted scope or effort, often due to constraints such as time or resources.

Adequate

Adequate means sufficient for a specific requirement or to meet the needs effectively without being excessive.

Escalating Conflict

The process by which disagreements or disputes grow in intensity or severity, often resulting in more serious confrontations if unchecked.

Limited Searching

A behavior in which individuals or organizations search for information in a restricted manner, often settling for satisfactory solutions rather than the optimal ones.