A researcher hypothesizes that some green vegetables affect mental health more than others.To test her hypothesis, she asks her subjects to eat a particular green vegetable every day for one month.At the end of the month, she measures their mental health on a scale that ranges from 1 (very unhealthy) to 7(very healthy).Can she be 95% confident that there is a difference between groups? (10 points)

Green Beans Lima Beans Brussels Sprouts

6 2 4

4 3 3

5 4 5

6 1 5

2 2 4

1 2 6

4 1 2

What is the mean in each group?

Green Beans____________

Lima Beans_____________

Brussels Sprouts___________

Sum of squares?

Mean Squares?

Calculated F-Score_____________________

Can we reject the null hypothesis of no difference between groups?__________________

I can find the mean, but how do you find the squares and f score?