Answer
The research objective is to determine whether smokers between 18 to 21 years of age have a lower IQ than those who do not smoke.
Work Step by Step
The goal is explicitly stated in lines 5, 6 and 7.
Statistics: Informed Decisions Using Data (4th Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0321757270
ISBN 13:
978-0-32175-727-2
Chapter 1 - Section 1.1 - Assess Your Understanding - Applying the Concepts - Page 13: 49a
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