You are assigned to run a study comparing a new medication (xbar1 = 17.47, n1 = 19), an existing medication (xbar2 = 17.94, n = 18), and a placebo (xbar3 = 13.70, n3 = 20), with higher scores reflecting better outcomes. Use SSb = 210.10 and SSw = 133.90 to calculate the F-statistic.