(a) For the white subjects, F = 16.48. What is the value of the numerator degrees of freedom, dfnum , for the white subjects? (Enter your answer as a whole number.) dfnum = What is the value of the denominator degrees of freedom, dfdenom , for the white subjects? (Enter your answer as a whole number.)
People often match their behavior to their social environment. One study of this idea first established that the type of music most preferred by black college students is R&B and that white college students' most preferred music is rock. Will students hosting a small group of other students choose music that matches the makeup of the people attending? Assign 9090 black business students at random to three equal‑sized groups. Do the same for 9696 white students. Each student sees a picture of the people he or she will host. Group 1 sees six blacks, Group 2 sees three whites and three blacks, and Group 3 sees six whites. Ask how likely the host is to play the type of music preferred by the other race. Use ANOVA to compare the three groups to see whether the racial mix of the gathering affects the choice of music.
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