a consumer advocate examines whether the longevity of car
A consumer advocate examines whether the longevity of car batteries (measured in years) is affected by the brand name (factor A) and whether or not the car is kept in a garage (factor B). Interaction is suspected. The results are shown in the accompanying table. Brand Name of Battery Kept in Garage? A B C Yes 8, 7, 8 5, 5, 7 8, 10, 8 […]