A Major Consumer Group Recently Undertook a Study to Determine

question 23

Multiple Choice

A major consumer group recently undertook a study to determine whether automobile customers would rate the quality of cars differently whether they were manufactured in the U.S. ,Europe,or Japan.To conduct this test,a sample of 20 individuals was asked to look at mid-range model cars made in each of the three countries.The individuals in the sample were then asked to provide a rating for each car on a scale of 1 to 1000.The following computer output resulted,and the tests were conducted using a significance level equal to 0.05. ANOVA: Two-Factor Without Replication Based upon the data,which of the following statements is true?

• A)Blocking was effective.
• B)Blocking was not effective.
• C)The primary null hypothesis should not be rejected.
• D)The averages for the 20 people are not all the same.

---

Definitions:

Lead Paint

A type of paint that contains lead, a heavy metal, which can be toxic when ingested or inhaled, especially harmful to children.

Identical Product

A product that is exactly the same in every characteristic and feature as another product.

Sophisticated-User

A legal defense that releases a manufacturer from liability if the user of their product is deemed to have sufficient expertise to appreciate the risks associated with the product's use.

Dangerous Side Effect

Adverse reaction or harmful result from the use of a medication, medical device, or another intervention.