A Company That Makes Shampoo Wants to Test Whether the Average

question 155

Multiple Choice

A company that makes shampoo wants to test whether the average amount of shampoo per bottle is 16 ounces. The standard deviation is known to be 0.20 ounces. Assuming that the hypothesis test is to be performed using 0.10 level of significance and a random sample of n = 64 bottles, which of the following would be the upper tail critical value?

• A) 1.28
• B) 1.645
• C) 1.96
• D) 2.575

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Definitions:

Social Inequality

Disparate opportunities and rewards are allocated to various social statuses or positions within a community or society.

Age Cohorts

Groups of individuals who share similar ages and, therefore, likely experience similar societal events and cultural shifts at similar stages in life.

Tall People

Individuals who are significantly above the average height compared to the general population.

Profession

A vocation requiring specialized knowledge and often long and intensive academic preparation, characterized by a commitment to service and a set of ethical standards.