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.

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Definitions:

Whigs and Democrats

Two major political parties in the United States during the 19th century, with the Whigs supporting modernization and federal government power and the Democrats often advocating for states’ rights and rural interests.

Constituencies

The body of voters or residents in a specified area who elect a representative to a legislative or other public office.

Dred Scott Decision

A controversial and pivotal Supreme Court case in 1857 that ruled African Americans could not be American citizens and negated federal power to regulate slavery in the territories.