1. lCommon animals Has the composition of the audience changed? In its original business plan, the proportions of the audience interested in Dogs, Cats, Fish, Horses, Birds, Chickens, Rabbits, Snakes, and Either was [60%, 15%, 6%, 6%, 4%, 3%, 2%, 1%, 3%] respectively Test to see if the distribution has change d. Can we predict site visit length by animal type? Do we need to do more to draw in particular users? Use regression methods to address each of the following models: a. Site visit length by animal type. b. Site visit length by animal type, controlling for year. c. Site visit length by mammal v. nonmammal