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# if we obtain a significant R°2 from a

regression model, it does not refer to the fact that a significant cause and effect relationship exist. True or false?

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?
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