Question 37 (5 points) A researcher investigating whether people who got a COVID-19 vaccination are less likely to get COVID than people who didn't get the vaccine found a P-value of 3%. This means that O vaccinated people get 3% fewer COVID symptoms than non-vaxxers. O the differences observed would occur only 3% of the time if vaccinations had no effect on getting COVID. O there's a 3% chance that vaccinated people don't get fewer COVID symptoms. 0 there's a 3% chance that vaccinated people get fewer COVID symptoms. 0 3% of the vaccinated people got COVID. Question 38 (5 points) To perform a ttest when the sample size is small, the sample must show no evidence of strong ___________________ and must contain no _______________________ . Fill in the blanks O pvalue, data errors. 0 statistical significance, practical significance 0 skewness, outliers 0 symmetry, known standard deviation 0 normality, known standard deviation