Question: A sociologist claims that the success of students in college (measured by their GPA) is related to their familys income. For a sample of 20

A sociologist claims that the success of students in college (measured by their GPA) is related to their family’s income. For a sample of 20 students, the correlation coefficient is 0.40. Using the 0.01 significance level, can we conclude that there is a positive correlation between the variables?

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