04.08.2013: residual plot
plot(manatee$Boats,manatee$Manatees)
manatee.lbf=lm(manatee$Manatees~manatee$Boats)
manatee.resids=resid(manatee.lbf)
plot(manatee$Boats,manatee.resids)
abline(h=0)
book problems we are going to do today:
p. 245: 1, 4, 12
p. 289: 2, 5,
p. 447: 11 (it asks for margin for error. remember--our equation for Confidence interval is:
x-bar +/- MOE
04.09.2013: review day (talk through the problems from yesterday)
Data Set for the Week before Spring Break (woo!)
04.10.2013: Review Data Set
04.11.2013: Review Data Set
04.12.2013: Review Data Set