Elementary Statistics: Picturing the World (6th Edition)

Published by Pearson
ISBN 10: 0321911210
ISBN 13: 978-0-32191-121-6

Chapter 1 - Introduction to Statistics - Section 1.1 An Overview of Statistics - Exercises - Page 6: 22

Answer

The population is the number of students who donate at a blood drive. The sample is the number of students who donate that have type O+ blood.

Work Step by Step

The population is the whole. The Venn diagram represents the population as the rectangle that contains the number of students who donate at the blood drive. Inside this group, there is a circle that contains the number of students who donate that have type O+ blood. This circle is a part of the rectangle and would represent the sample of the population.
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