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 95% confidence intervals for Dr.Johnson's study?
Definitions:
Confirmation Error
A cognitive bias that involves focusing on information that confirms existing beliefs and ignoring information that contradicts them.
Ethics Double-check
A review process designed to ensure that actions or decisions align with moral and professional standards of conduct.
Ethical Decision Making
The process of evaluating and choosing among alternatives in a manner consistent with ethical principles and values.
Ethical Shortcomings
Lapses or failures in behaving according to accepted moral standards, often leading to actions that are considered unethical.
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