10. The videogame experiment is described on page 426.

(a)[3pts]Write down an appropriate model for this experiment. Explain each term in the model.

(b) [3pts]Provide 95% simultaneous confidence intervals for all pairwise comparisons of the treatment using

the best method that yields the shortest intervals.

(c)[3pts]Based on the intervals in (b), which sound mode(s) do you recommend or not recommend? Specify

your reasons.

(d)[2]Find a 95% confidence interval for the "music versus no music" constrast

(7₂+7₂+7₁) ==—= (T₂+76)