/*! 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}

91影视

Log out

Learning Materials

Features

Discover

Chapter 1: Q28 (page 11)

What鈥檚 Wrong? In Exercises 25鈥�28, identify what is wrong.

The electronic cigarette maker V2 Cigs sponsored a poll showing that 55% of

smokers surveyed say that they feel ostracized 鈥渟ometimes,鈥� 鈥渙ften,鈥� or 鈥渁lways.鈥�

Short Answer

Expert verified

The data is not clear; only the cumulative proportion for each category is stated.

Step by step solution

01

Given information

A cigarette maker, V2 Cigs, sponsored a poll.

The poll surveyed smokers and found that55% of them feel ostracized 鈥渟ometimes,鈥� 鈥渙ften,鈥� or 鈥渁lways.鈥�

02

Identification of the incorrect element in the survey

A survey data with the proportions stated for each of the three categories鈥攕ometimes, often, and always鈥攚ould be useful.

The data is the cumulative proportion of all categories in the study, which is of no practical use. Different surveyed categories cannot be compared as the percentage of adults is not defined for each category.

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

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.)

Subject


12345
8 AM9798.597.697.798.7
12 AM97.697.89898.498.4

Context of the Data: Refer to the table of body temperatures. Is there some meaningful way in which each body temperature recorded at 8 AM is matched with the 12 AM temperature?

Identify whether the given value is a statistic or a parameter.

Birth Genders In the same study cited in the preceding exercise, 51% of the babies were girls.

Determine whether the data are from discrete data or continuous data set.

CHIS :Among the subjects surveyed as part of the California Health Interview Survey (CHIS), several subjects are randomly selected and their heights are recorded.

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 sampling method appears to be sound or is flawed.

Nuclear Power Plants. In a survey of 1368 subjects, the following question was posted on the USA Today website: 鈥淚n your view, are nuclear plants safe?鈥� The survey subjects were Internet users who chose to respond to the question posted on the electronic edition of USA Today.
See all solutions

Recommended explanations on Math Textbooks

Pure Maths

Read Explanation

Statistics

Read Explanation

Mechanics Maths

Read Explanation

Geometry

Read Explanation

Logic and Functions

Read Explanation

Discrete Mathematics

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.