A researcher wants to test the hypothesis that boys are generally more aggressive than girls. He draws a sample of 100 boys and a sample of 100 girls and gives each child a test that measures their general level of aggression.

Which of the following would be the most appropriate statistical test to use?



a.
the t-test for dependent samples.



b.
the chi-square (χ2) test



c.
the t-test for independent samples