Chapter 12.1, Problem 5SE

a.

To determine

Draw a scatter plot of the data.

Explain what the scatter plot suggests about the correlation between X and Y.

b.

To determine

Find the value of correlation coefficient using Excel, MegaStat or MINITAB.

c.

To determine

Find the value of $t_{0.025}$ for two tailed test for $\alpha =0.05$.

d.

To determine

Find the t-statistics.

e.

To determine

Check whether $\rho =0$ can be rejected or not.