The paper Risk Behavior, Decision Making, and Music Genre in Adolescent Males (Marshall University, May 2009) examined

The paper €œRisk Behavior, Decision Making, and Music Genre in Adolescent Males€ (Marshall University, May 2009) examined the effect of type of music playing and performance on a risky, decision-making task.
a. Participants in the study responded to a questionnaire that was used to assign a risk behavior score. Risk behavior scores (read from a graph that appeared in the paper) for 15 participants follow. Use these data to construct a normal probability plot (the normal scores for a sample size of 15 appear in the previous exercise).

b. Participants also completed a positive and negative affect scale (PANAS) designed to measure emotional response to music. PANAS values (read from a graph that appeared in the paper) for 15 participants follow. Use these data to construct a normal probability plot (the normal scores for a sample size of 15 appear in the previous exercise).

c. The author of the paper states that he believes that it is reasonable to consider both risk behavior scores and PANAS scores to be approximately normally distributed. Do the normal probability plots from Parts (a) and (b) support this conclusion? Explain.

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