Fill in the blank in the following statement: “When we discu…

Fill in the blank in the following statement: “When we discussed the need for an Institutional Review Board (IRB) for human interaction studies at UF, we reviewed some of the history behind the development of this oversight requirement. A particularly egregious study that is frequently pointed to as the reason that such oversight is required was the ________________________.” 

You have been discussing the Republican ratio and its connec…

You have been discussing the Republican ratio and its connection with the COVID-19 fatality ratio. You reran the regression with just the Republican Ratio (Rratio) as the independent variable and the COVID-19 case fatality ratio as the dependent variable. This simple linear regression model looks statistically significant. However, you remember to check the assumptions. One assumption you test is assumption of constant variance of the residuals.  You plot the residuals against the predicted Y values and see the following output. Do the residuals reflect constant variance across the predicted Y values?