Use the appropriate test to solve the problems. Please show your 5 steps.

1. You are opening a new restaurant and you would like to survey people from different age groups to see how much they like the food that is on your proposed menu. Is there a difference between the groups? If so, where is it?

Teenagers	Adults	Seniors
80	92	71
85	96	75
78	87	72
87	91	86
90	98	78
95	83	79
80	90	83
86	89	75
92	94	68
78	90	82