A study is conducted to determine the effect of different doses of a cold medication on reaction times. In a study of 20 participants between 20 and 25 years of age, half were given a single dose of medication and the other half were given two doses. Thirty minutes after dosing, a simple mechanical experiment measured subject reaction time in milliseconds. The results are summarized below. 
Calculate the 95% confidence interval for the difference in reaction times for these two groups. Assume that the reaction times are normally-distributed and that the treatments were randomly assigned.
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Management Major
An academic concentration focusing on teaching students leadership, planning, and organizational skills needed to manage businesses and organizations.
Failure Rate
Measures the frequency at which an engineered system or component fails, expressed in failures per unit of time.
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The act of completing a course of study at an educational institution, usually marked by a ceremony to recognize academic achievement.
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Businesses with limited revenue and number of employees, distinct from medium-sized and large enterprises.
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