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Question 1 ( 7marks) Use the following sample data to calculate the following summary statistics X Y 5 20 7 50 4 10 5 20

Question 1 ( 7marks) Use the following sample data to calculate the following summary statistics X Y 5 20 7 50 4 10 5 20 5 30 5 20 3 10 8 50 2 10 2 5

A.Calculate the mean for X and Y (1 marks)

B.Calculate the standard deviation for X and Y (3 marks)

C.Calculate the correlation coefficient (r) Using formula (3 marks)

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