You ask 9teenage boys to rate their self esteem in terms of their academic performance.You collect their age and esteem scores to see if there's a correlation between the two variables.

Find the following information:

a) Find the critical value for correlation using alpha=0.05 and two-tailed

b) Find the obtained value for correlation

c) Is there a significant correlation between age and self-esteem? Is it positive or negative correlation?

Self esteem Age

5 12

3 13

5 17

2 13

4 13

3 15

4 16

6 17

3 12