Use the Following to Answer Questions

question 9

Multiple Choice

Use the following to answer questions :
The director of a radio broadcast company wants to determine whether the mean length of commercials on his station is equal to 24 seconds.A sample of 41 commercials had a mean life of 26.90 seconds and a standard deviation of 7.88 seconds.The significance level is 5%.
-What are the critical values of t?

• A)-1.714 and 1.714
• B)-1.684 and 1.684
• C)-2.010 and 2.010
• D)-2.021 and 2.021

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Definitions:

Values

Ideas about what is right and wrong.

Emotional Life

The range of emotions an individual experiences, including how those emotions are expressed, managed, and understood within a cultural context.

Workers

Individuals engaged in physical or mental labor, either for an employer or freelancing, contributing to the production of goods or services.

Governed

The term 'governed' refers to individuals, groups, or areas that are subject to the control and administration of governing bodies or authorities.