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:
Subduction
Subduction is a geological process in which one tectonic plate moves under another plate and into the mantle as the plates converge, typically occurring at oceanic trenches.
Juan de Fuca Ridge
A tectonic plate boundary located off the coast of the Pacific Northwest region of North America, characterized by seafloor spreading and volcanic activity.
Hot Spot
A region with significantly higher temperature than its surroundings, often related to volcanic activity or environmental anomalies.
Seismic Activity
The frequency, type, and size of earthquakes experienced over a period of time in a particular area, often measured to assess and monitor earth movements.
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