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An educator claims that students' math competency (x) and their computer-science aptitude (y) are positively correlated. They gave tests in math and computer science to

An educator claims that students' math competency (x) and their computer-science aptitude (y) are positively correlated. They gave tests in math and computer science to seven students, the scores are shown.

a. Determine if a linear correlation exists if thecritical value of ris 0.755. Show or explain your thinking.

b. Determine the linear regression equation.

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