Q13. State the degrees of freedom (both df-bg and df-error) for each of the following between-subjects tests. Note that this problem includes both degrees of freedom, which differs from that requested in the textbook. 13 [a] A researcher tests how nervous public speakers get in front of a small, medium, or large audience. Ten participants are randomly assigned to each group. Enter your answer using the form X, Y. For example, 4, 125.   13 [b] A high school counselor has 12 students in each of four classes rate how much they like their teacher. Enter your answer using the

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