The following data represents the increase of Covid-19 cases in Washington State per day from Sept 20 - November 16 . Use units in your answers where appropriate and round all decimals (in answers and equations) to the hundredths place.
a.) Determine the equation of the regression line (round to 2 decimal places). (Write in y=a x+b form.)
b.) What is the r² value for the linear model?
c.) Find the quadratic regression model for the data in the form F(x)=A x^2+B x+C
d.) What is the r² value of the quadratic regression model?


The Following Data Represents The Increase Of Covid19 Cases In Washington State Per Day From Sept 20 November 16 Use Units In Your Answers Where Appropriate And class=