"a common science-fair project involves testing the effect of music on the growth of plants. for one of these projects, a sample of 24 newly sprouted bean plans is obtained. these plants are randomly assigned to one of four treatments, with 6 plants in each group. each group of 6 plants is exposed to a different kind of music: classical, jazz, country, or rock. after two weeks, the height of each plant is measured and recorded. what test will tell you whether the type of music played affects plant growth?