Dr.Johnson is studying the effects of aspirin on heart rate.He believes that aspirin will lower heart rate.He has 2 groups the treatment group receives 80mg of aspirin for a week (n=4) the control group received a placebo (n=4) and their heart rates are compared.Below is his data in which heart rate is beats per minute.He sets his alpha level at 0.05 and uses a directional test. 
Is it possible that Dr.Johnson has_____.
Definitions:
Concurring Opinion
An additional opinion in a court case that agrees with the majority decision but offers different reasoning or emphasizes a particular point.
Plurality Opinion
A judicial opinion agreed to by more justices than any other opinion in a case but not achieving a full majority.
Bill of Rights
A document listing the fundamental rights and freedoms that are protected and guaranteed to all citizens, often forming a part of a country's constitution.
First Ten Amendments
Collectively known as the Bill of Rights, these amendments to the U.S. Constitution guarantee fundamental rights and protections to American citizens.
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