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A sociologist claims that the success of students in college (measured by their GPA) is related...

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 r = 0.40. Using the 1% significance level, can we conclude that there is a positive correlation between the two variables? Explain your conclusion.

H0:

H1:

Test Statistic:

Conclusion:

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