Which scenario could be analyzed using a two-way ANOVA?

Group of answer choices

Dakota tests whether long or short haired cats differ on a measure of cat friendliness.

Malu examined whether weight at birth is related to academic outcome at age 10.

Chad examines the effects of heart rate on number of calories burned during exercise.

Layla examines the effects of sex and attractiveness on amount of tip a waiter/waitress receives at a restaurant.