/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q3-15BSC In Exercises 9鈥�20, identify wh... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 1: Q3-15BSC (page 1)

In Exercises 9鈥�20, identify which of these types of sampling is used: random, systematic, convenience, stratified, or cluster.

Dictionary The author collected sample data by randomly selecting five books from each of the categories of science, fiction, and history. The numbers of pages in the books were then identified

Short Answer

Expert verified

Stratified sampling

Step by step solution

01

Given information

The sample data for the number of pages in the book is collected.

Five books are randomly chosen from three categories; science, fiction, and history.

02

Identify the method of sampling

Stratified sampling is conducted by first dividing the population into categories and then opting for random units from each of these categories.

In this case, the population of books is divided into three categories; science, history, and fiction. Five books are taken from each of these categories to record the number of pages.

Thus, the sampling method is stratified sampling.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Quantitative/categorical DataIdentify each of the following as quantitative data or categorical data.

a. The platelet counts in Data Set 1 鈥淏ody Data鈥� in Appendix B.

b. The cigarette brands in Data Set 13 鈥淐igarette Contents鈥� in Appendix B.

c. The colours of the M&M candies in Data Set 27 鈥淢&M Weights鈥� in Appendix B.

d. The weights of the M&M candies in Data Set 27 鈥淢&M Weights鈥� in Appendix

In Exercises 29鈥�36, answer the given questions, which are related to percentages.

Percentages in Advertising Continental Airlines ran ads claiming that lost baggage is 鈥渁n area where we鈥檝e already improved 100% in the past six months.鈥� What is wrong with this statement?

Falsifying Data A researcher at the Sloan-Kettering Cancer Research Center was once criticized for falsifying data. Among his data were figures obtained from 6 groups of mice, with 20 individual mice in each group. The following values were given for the percentage of successes in each group: 53%, 58%, 63%, 46%, 48%, 67%. What鈥檚 wrong with those values?

In Exercises 17鈥�20, refer to the sample of body temperatures (degrees Fahrenheit) in the table below. (The body temperatures are from a data set in Appendix B.)


12345
8 AM9798.597.697.798.7
12 AM97.697.89898.498.4

Conclusion Given the body temperatures in the table, what issue can be addressed by conducting a statistical analysis of the data.

Determine whether the given source has the potential to create a bias in a statistical study.

Physicians Committee for Responsible Medicine. The Physicians Committee for Responsible Medicine tends to oppose the use of meat and dairy products in our diets and that organization has received hundreds of thousands of dollars in funding from the Foundation to Support Animal Protection.
See all solutions

Recommended explanations on Math Textbooks

Calculus

Read Explanation

Statistics

Read Explanation

Discrete Mathematics

Read Explanation

Applied Mathematics

Read Explanation

Pure Maths

Read Explanation

Decision Maths

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.