The Coronavirus Disease is an infectious disease caused by a new strain of coronavirus. The World Health Organization claims that the incubation period of the virus in the infected person has a mean of 6.1 days. The doctors in the Philippines conducted a research and they found out that incubation period of the virus in human body is 7.03 days with a standard deviation of 4.32. The samples were 46 COVID patients. Is there enough evidence to conclude that the incubation period of the virus is 6.1 days as stated, at a=0.01?
Population variance is unknown, thus, t-distribution is used.
Since 1.46<2.69, we fail to reject the null hypothesis and conclude that there is sufficient evidence to support the claim that the incubation period for the virus is 6.1 days.
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