Biostatistics for the Biological and Health Sciences
2nd Edition
ISBN: 9780134679235
Author: Triola
Publisher: PEARSON
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Chapter 1.1, Problem 26SLCT
To determine
To identify what is wrong.
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What’s Wrong? In Exercises 25–28, identify what is wrong.
Healthy Water In a USA Today online poll, 951 Internet users chose to respond, and 57% of them said that they prefer drinking bottled water instead of tap water.
Determine whether the study is an observational study or an experiment. Explain.
In a survey of 1346 adults in a country, 53% said the country's leader should release all medical information that might affect their ability to serve.
The study is
because it
a treatment to the adults.
observational,
an experiment,
There are 64% of US adults who own a smartphone, up from 35% in 2011. Smartphones have become an important way for Americans to communicate, go online, access and share information. The Pew Research Center surveyed 1635 people in November, 2014 on smartphone ownership. Their goal was to learn how Americans use their smartphone devices.
Identify the population and the sample.
Chapter 1 Solutions
Biostatistics for the Biological and Health Sciences
Ch. 1.1 - Prob. 1SLCTCh. 1.1 - Prob. 2SLCTCh. 1.1 - Prob. 3SLCTCh. 1.1 - Prob. 4SLCTCh. 1.1 - Prob. 5SLCTCh. 1.1 - Prob. 6SLCTCh. 1.1 - Prob. 7SLCTCh. 1.1 - Prob. 8SLCTCh. 1.1 - Prob. 9SLCTCh. 1.1 - Prob. 10SLCT
Ch. 1.1 - Prob. 11SLCTCh. 1.1 - Prob. 12SLCTCh. 1.1 - Prob. 13SLCTCh. 1.1 - Prob. 14SLCTCh. 1.1 - Prob. 15SLCTCh. 1.1 - Prob. 16SLCTCh. 1.1 - Prob. 17SLCTCh. 1.1 - Prob. 18SLCTCh. 1.1 - Prob. 19SLCTCh. 1.1 - Prob. 20SLCTCh. 1.1 - Prob. 21SLCTCh. 1.1 - Prob. 22SLCTCh. 1.1 - Prob. 23SLCTCh. 1.1 - Prob. 24SLCTCh. 1.1 - Prob. 25SLCTCh. 1.1 - Prob. 26SLCTCh. 1.1 - Prob. 27SLCTCh. 1.1 - Prob. 28SLCTCh. 1.1 - Prob. 29SLCTCh. 1.1 - Prob. 30SLCTCh. 1.1 - Prob. 31SLCTCh. 1.1 - Prob. 32SLCTCh. 1.2 - Prob. 1SLCTCh. 1.2 - Prob. 2SLCTCh. 1.2 - Prob. 3SLCTCh. 1.2 - Prob. 4SLCTCh. 1.2 - Prob. 5SLCTCh. 1.2 - Prob. 6SLCTCh. 1.2 - Prob. 7SLCTCh. 1.2 - Prob. 8SLCTCh. 1.2 - Prob. 9SLCTCh. 1.2 - Prob. 10SLCTCh. 1.2 - Prob. 11SLCTCh. 1.2 - Prob. 12SLCTCh. 1.2 - Prob. 13SLCTCh. 1.2 - Prob. 14SLCTCh. 1.2 - Prob. 15SLCTCh. 1.2 - Prob. 16SLCTCh. 1.2 - Prob. 17SLCTCh. 1.2 - Prob. 18SLCTCh. 1.2 - Prob. 19SLCTCh. 1.2 - Prob. 20SLCTCh. 1.2 - Prob. 21SLCTCh. 1.2 - Prob. 22SLCTCh. 1.2 - Prob. 23SLCTCh. 1.2 - Prob. 24SLCTCh. 1.2 - Prob. 25SLCTCh. 1.2 - Prob. 26SLCTCh. 1.2 - Prob. 27SLCTCh. 1.2 - Prob. 28SLCTCh. 1.2 - Prob. 29SLCTCh. 1.2 - Prob. 30SLCTCh. 1.2 - Prob. 31SLCTCh. 1.2 - Prob. 32SLCTCh. 1.2 - Prob. 33SLCTCh. 1.3 - Prob. 1SLCTCh. 1.3 - Prob. 2SLCTCh. 1.3 - Prob. 3SLCTCh. 1.3 - Prob. 4SLCTCh. 1.3 - Prob. 5SLCTCh. 1.3 - Prob. 6SLCTCh. 1.3 - Prob. 7SLCTCh. 1.3 - Prob. 8SLCTCh. 1.3 - Prob. 9SLCTCh. 1.3 - Prob. 10SLCTCh. 1.3 - Prob. 11SLCTCh. 1.3 - Prob. 12SLCTCh. 1.3 - Prob. 13SLCTCh. 1.3 - Prob. 14SLCTCh. 1.3 - Prob. 15SLCTCh. 1.3 - Prob. 16SLCTCh. 1.3 - Prob. 17SLCTCh. 1.3 - Prob. 18SLCTCh. 1.3 - Prob. 19SLCTCh. 1.3 - Prob. 20SLCTCh. 1.3 - Prob. 21SLCTCh. 1.3 - Prob. 22SLCTCh. 1.3 - Prob. 23SLCTCh. 1.3 - Prob. 24SLCTCh. 1.3 - Prob. 25SLCTCh. 1.3 - Prob. 26SLCTCh. 1.3 - Prob. 27SLCTCh. 1.3 - Prob. 28SLCTCh. 1.3 - Prob. 29SLCTCh. 1.3 - Prob. 30SLCTCh. 1.3 - Prob. 31SLCTCh. 1.3 - Prob. 32SLCTCh. 1.3 - Prob. 33SLCTCh. 1.3 - Prob. 34SLCTCh. 1.3 - Prob. 35SLCTCh. 1.3 - Prob. 36SLCTCh. 1.3 - Prob. 37SLCTCh. 1.3 - Prob. 38SLCTCh. 1 - Prob. 1CQQCh. 1 - Prob. 2CQQCh. 1 - Prob. 3CQQCh. 1 - Prob. 4CQQCh. 1 - Prob. 5CQQCh. 1 - Prob. 6CQQCh. 1 - Prob. 7CQQCh. 1 - Prob. 8CQQCh. 1 - Prob. 9CQQCh. 1 - Prob. 10CQQCh. 1 - Prob. 1RECh. 1 - Prob. 2RECh. 1 - Prob. 3RECh. 1 - Prob. 4RECh. 1 - Prob. 5RECh. 1 - Prob. 6RECh. 1 - Prob. 7RECh. 1 - Prob. 8RECh. 1 - Prob. 9RECh. 1 - Prob. 10RECh. 1 - Prob. 1CRECh. 1 - Prob. 2CRECh. 1 - Prob. 3CRECh. 1 - Prob. 4CRECh. 1 - Prob. 5CRECh. 1 - Prob. 6CRECh. 1 - Prob. 7CRECh. 1 - Prob. 8CRECh. 1 - Prob. 9CRECh. 1 - Prob. 10CRECh. 1 - Prob. 11CRECh. 1 - Prob. 12CRE
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- Net Worth. The Board of Governors of the Federal Reserve System publishes information on family net worth in the Survey of Consumer Finances. In 2010, the mean net worth of families in the United States was $498.8 thousand and the median net worth was $77.3 thousand. Which measure of center do you think is more appropriate? Explain your answer.arrow_forwardDetermine whether the study is an observational study or an experiment. Explain. In a survey of 1321 adults in a country, 55% said the country's leader should release all medical information that might affect their ability to serve. The study is because it a treatment to the adults. applies does not applyarrow_forwardIn 1993, presidential candidate Ross Perot appeared on television to voice his opinions on government reform. To gauge public opinion, Perot urged viewers to fill out the survey appearing in that week's issue of TV Guide. Of the approximately 1.4 million respondents, 98 percent agreed with Ross Perot's platform on health care reform. The sample obtained was a sample. (Data from EESEE.) Your answer: Need help on this question? Get a hint Show answer Read the ebook page on this topicarrow_forward
- A May 2001 Gallup Poll found that many Americans believe in ghosts and other supernatural phenomena. The poll was based on telephone responses from 1591 randomly selected adults. The table shows the number of people who expressed belief in various phenomena. Phenomenon Frequency Psychic Healing 270 ESP 461 Ghosts 430 Astrology 175 | Channeling 255 Please enter your answer to the nearest whole percent. What percent of people believe in Psychic? What percent of people believe in ESP? What percent of people believe in Ghosts? What percent of people believe in Astrology? What percent of people believe in Channeling?arrow_forwardAbout 55% of high school students participate in a school athletic team. Of these athletes, about 5% go on to play on a college team in the NCAA. What percent of high school students play a sport in high school and go on to play a sport in the NCAA?arrow_forwardHow do you get online? A 2013 Pew Research survey of802 teens found that, among teens aged 12–17, girls weresignificantly more likely to access the internet mostlythrough their smartphone. 29% of the girls surveyed saidthey access the internet mostly on their phone, comparedto 20% of the boys. What does it mean to say that thedifference in proportions is “significant”?arrow_forward
- A student researcher wants to test the hypothesis that an individual’s sex and education levels affect one’s political views. They examine males and females among three different education levels: high school, undergraduate, and graduate. Analysis: Ho:arrow_forwardUse critical thinking to list at least three things wrong with this survey. Explain fully using completesentences.In a USA Today online poll, 951 Internet users chose to respond, and 57% of them said that they preferdrinking bottled water instead of tap water.arrow_forwardCritical Thinking: What’s Wrong? In Exercises 21–28, determine whether the study is an experiment or an observational study, and then identify a major problem with the study. Medications The Pharmaceutical Research and Manufacturers of America wants information about the consumption of various medications. An independent researcher conducts a survey by mailing 10,000 questionnaires to randomly selected adults in the United States, and she receives 152 responses.arrow_forward
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