Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 1 - Section 1.4 - Assess Your Understanding - Vocabulary and Skill Building - Page 36: 1

Answer

Parents take their children to the movies to watch a children's movie. After the end of the movie, a survey is conducted to determine whether the audience liked or not. Three different questionnaires are prepared for three diffrent groups: children under 14 years old, adolescents of 14 to 21 years of age, and adults that are over 22 years old. A simple random sample is obtained from each group (strata).

Work Step by Step

The individuals of each group are homogeneous: it is expected that they have a similar opinion about the movie. So, a smaller number of respondents is required.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.