moved in The computer and statistical software make it possible for us to perform statistical procedures what are quite complex. However, there is a tremendous risk in using statistical techniques with which we are unfamiliar. MINITAB is able to provide statistics in the regression area that we have not yet devel- oped. However, some of these topics will be introduced in Chapter 10 and we will have a working knowl- edge of the entire regression output. concept Check 9.1 If we obtain a significant R from a regression model, it does not refer to the fact that a significant cause and effect relationship exists. True or false? If false, explain. Exercises 9.53 If we were to hear about a new cancer cure, why would our first thought involve skepticism? Why did we receive a R near 1 when we regressed the GNP with the winning speeds of the Indy 500 race? 259