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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Family Incentive

A reward or encouragement offered to promote family-related activities, goals, or behaviors.

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The act of witnessing a document or event and then signing it to confirm its authenticity.

Effective

Producing a decided, decisive, or desired effect; fully operational or functional.