X 3, 5, 6, 8, 9, 10, 12, 14, 15

Question

Y 30,33,34,36,37,40, 50, 60, 70

Calculate Linear Correlation Coefficient r

Use significance level 0.05 and Appendix Table A-6 to make decision
about linear correlation between x and y.

Answer 1

r = (Σxy)/N(SDx)(SDy)

Calculate each term and solve.

We do not do your work for you.

Answer 2

Thank you you helped me a lot.