Assume you are a nutritionist who has been asked to determine whether there is a difference in sugar content among the three leading brands of cereal (brands A, B, and C). To assess the amount of sugar in the cereals, you randomly sample 5 packages of each brand and chemically determine their sugar content. The following grams of sugar were found:

ABC

1 5 3

472

365

2 53

572

What is the alternative hypothesis?

X1=

X2=

X3=

X12=

X22=

X32=

Now for all scores:

X=

X2=

(X)2=