I. Please explain what is false positive(偽陽性/假陽性) in terms of coronavirus testing (6 points)

7. The following data are from matched samples taken from two populations. (10 points) Considering the following hypothesis test (μd= the mean of the difference values for each element) Ho:μd =0Ha:μd≠0Use the p-value approach to conduct the hypothesis test by using a = 0.05. What is your conclusion?