Average Weekly Earnings The average weekly earnings in dollars for various industries are listed below. Find the percentile rank of each value. 804 736 659 489 777 623 597 524 228

#data anlysis for using weighted linear regression x=c(2,2.4,3.1,3.5,6.4,6.1,7,11.5,10.9,12.2,12.6) y=c(10.1,11.4,24.2,26.5,66.8,53.8,71.1,132.7,108,126.2,140.7) data=data.frame(x,y) m1=lm(y~x,data) plot(x,y) #from the plot, I will divide the data according to x values 2-4, 6-8, >9 group1=data[1:4,] group2=data[5:7,] group3=data[8:11,] a=c(mean(group1[,1]),var(resid(m1)[1:4]),mean(group2[,1]),var(resid(m1)[5:7]),mean(group3[,1]),var(re...