So I think I learned more about stats from this forum than my actual class and now I just want to apply what I learned through proc corr to different variables. Yesterday I was using proc reg when I later realized I should have used proc corr for this question:
Is there a relationship between gestation and baby weight? Yes, positive relationship
State your null and alternative hypothesis:
Null hypothesis:
(Where
is the population slope)
Alternative hypothesis:
Level of significance:
What is the rho value for this analysis? Rho=0
Make your scatter plot for this analysis, does it confirm your rho findings? Yes, I believe it does but not sure if the scatterplot proves it.
Does a statically significant relationship exist between these two variables? If so, interpret: Yes, since the p-value of the model in the ANOVA table is p=0.001 <0.05 significant, we conclude there is a linear relationship.
I guess what I want to know if i'm making sense with this code and the questions asked or is there another way to do this?
I used this code:
proc corr data=birthw.birthweight; var gestation birthweight; run;
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