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. 
What is the strength of the relationship?
Definitions:
Terminal Illness
A disease or condition that is likely to lead to the death of the patient within a short time frame, often without the possibility of cure.
Renal Failure
A medical condition in which the kidneys lose the ability to sufficiently filter waste from the blood.
Hospices
Specialized facilities or services that provide care and support for terminally ill patients and their families, focusing on comfort and quality of life.
Hospital Treatment
Medical or surgical care received in a hospital setting, often involving overnight stays or specialized procedures.
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