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A random sample of 8 recent BBA graduates in a company was selected. The following table lists their CGPA and starting salary in thousand taka.

A random sample of 8 recent BBA graduates in a company was selected. The following table lists their CGPA and starting salary in thousand taka. CGPA 3.5 2.5 3.25 2.25 3.90 2.00 2.75 3.00 Starting salary 52 30 45 25 60 22 35 41 (a) Calculate the coefficient of correlation (r) and interpret the result. (b) What is the point estimate of the population coefficient of correlation ()? (c) Construct the 95% confidence interval for coefficient of correlation and interpret the result. (d) Write down the margin of error

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