QUESTION 7

1. The next set of questions refer to Golestanehet al."The association of race and COVID-19 mortality. The study described in this paper is:a few answers here in question 7

https://www.thelancet.com/journals/eclinm/article/PIIS2589-5370(20)30199-1/fulltext

Select all that apply

		retrospective
		interventional
		observational
		prospective
		a clinical trial
		a cohort study

QUESTION 8

1. In Golestanehet al, Table 2 shows the proportion of individuals testing positive by race. Which of the following is the most appropriate null hypothesis for this analysis?

		Thereisa difference in positive test rates by race
		Black individuals test positive more frequently than individuals of other races
		Thereis nodifference in positive test rates by race
		An equal number of Black individuals tested positive and negative