QUESTION 38 A cognitive psychologist believes that a group of individuals will have significantly better team problem solving skills after undergoing group therapy. He gives them a group task before and after the therapy session to determine if this is true. Which of the following hypothesis tests would be most appropriate given this scenario? O single-sample t-test O independent sample t-test O dependent sample t-test O z-test

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Q: h each scatterplot shown below with one of the four specified correlations. O 8 9 a. -0.02 b. 0.66…

A: From the above scatter plot From First scatter plot  The value of correlation coefficient is  -0. 85…