Match the following a, b, c statement:

a. null hypothesis, b. nondirectional alternative hypothesis, c. directional alternative hypothesis;

with the correct 1, 2, 3 statement:

1. There is a relationship between talking on mobile phones and car accidents, 2. Listening to music relaxes tension, and 3. At age 15, there is no difference between boys and girls in mathematics achievement.

	a.	'a' matches with '1', 'b' matches with '2', and 'c' matches with '3'
	b.	'a' matches with '2', 'b' matches with '1', and 'c' matches with '3'
	c.	'a' matches with '3', 'b' matches with '2', and 'c' matches with '1'
	d.	'a' matches with '3', 'b' matches with '1', and 'c' matches with '2