1. To compare the prices of math textbooks and science textbooks sold at the university bookstore, a student randomly selected 8 math courses and recorded the price of each course's textbook at the university bookstore and then randomly selected 8 science courses and recorded the price of each course's textbook at the university bookstore.

Math Textbook Price ($)	126	241	129	181	153	106	151	115
Science Textbook Price ($)	168	116	161	100	166	212	209	126

Is this an example of independent samples or paired samples? Explain.

2. To compare the prices of math textbooks at the university bookstore to the prices of math textbooks on Amazon.com, a student randomly selected 8 math courses at her university. She then recorded the price of each course's book at the university bookstore and on Amazon.com.

Math Textbook	1	2	3	4	5	6	7	8
Bookstore Price ($)	126	241	129	181	153	106	151	115
Amazon.com Price ($)	96	214	103	163	143	108	132	95

Is this an example of independent samples or paired samples? Explain.