> I have a raw dataset of a bunch of cereals and many
> other variables of them. One variable is the
> manufacturer, so that column is sorted into K, G, B,
> etc. (The variable for each manufacturer). I have
> another variable of fat. I need to test the
> hypothesis that General Mills (G) has a higher fat
> content than Kellogs (K). How would I do this? I know
> I need to use the ttest procedure, but I don't know
> how. Please note I only have to compare the fat
> contents of those two manufacturers, which are
> variables randomly in the dataset as well. Thanks.
Assuming BRAND is the name of your cereal
proc ttest data = mydata;
class brand;
var fat;
where brand = 'G' or brand = 'K';
run;
ought to work
Peter
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