(a) Subtracting A - B, what are H0 and Ha?
(b) What is tobt?
(c) With a = .05, are the results significant?
(d) Report the results using the correct format.
(e) What should she conclude about the relationship in nature between type of music and irritability?
(f) What other statistics should be computed?
(g) What statistical flaw is likely in the experiment?