Intro Stats
4th Edition
ISBN: 9780321825278
Author: Richard D. De Veaux, Paul F. Velleman, David E. Bock
Publisher: PEARSON
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Textbook Question
Chapter 10, Problem 35E
More survey questions Examine each of the following questions for possible bias. If you think the question is biased, indicate how and propose a better question.
- a) Do you think high school students should be required to wear uniforms?
- b) Given humanity’s great tradition of exploration, do you favor continued funding for space flights?
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More survey questions Examine each of the followingquestions for possible bias. If you think the question isbiased, indicate how and propose a better question.a) Do you think high school students should be requiredto wear uniforms?b) Given humanity’s great tradition of exploration, doyou favor continued funding for space flights?
Please help me I’m stuck
Employees at Sherman Inc. were given a survey about their current habits. One of the questions asks how often the employees use public transportation. They can choose one of the following responses for the survey.
Always
Very Often
Fairly Often
Sometimes
Almost Never
Never
Which of the following could affect the results of the survey?
A.
The answer choices could be interpreted differently by different employees.
B.
The question covers a wide range of viewpoints.
C.
The results could be flawed because the sample population was too large.
D.
The survey is biased because it is only being taken by current employees.
Chapter 10 Solutions
Intro Stats
Ch. 10.2 - Various claims are often made for surveys. Why is...Ch. 10.4 - We need to survey a random sample of the 300...Ch. 10 - Texas AM Administrators at Texas AM University...Ch. 10 - Satisfied workers The managers of a large company...Ch. 10 - AM again The president of the university plans a...Ch. 10 - Satisfied respondents The companys annual report...Ch. 10 - Sampling students A professor teaching a large...Ch. 10 - Sampling satisfaction A company hoping to assess...Ch. 10 - Sampling AM students For each scenario, identify...Ch. 10 - Satisfactory satisfaction samples For each...
Ch. 10 - Survey students What problems do you see with...Ch. 10 - Happy employees The company plans to have the head...Ch. 10 - Student samples The university administration of...Ch. 10 - Surveying employees The company of Exercise 2 is...Ch. 10 - Roper Through their Roper Reports Worldwide, GfK...Ch. 10 - Student center survey For their class project, a...Ch. 10 - Drug tests Major League Baseball tests players to...Ch. 10 - Prob. 16ECh. 10 - In Exercises 17 to 23, for the reports about...Ch. 10 - Prob. 18ECh. 10 - Prob. 19ECh. 10 - Prob. 20ECh. 10 - In Exercises 17 to 23, for the reports about...Ch. 10 - In Exercises 17 to 23, for the reports about...Ch. 10 - In Exercises 17 to 23, for the reports about...Ch. 10 - Mistaken poll A local TV station conducted a...Ch. 10 - Another mistaken poll Prior to the mayoral...Ch. 10 - Parent opinion, part 1 In a large city school...Ch. 10 - Parent opinion, part 2 Lets revisit the school...Ch. 10 - Prob. 28ECh. 10 - Prob. 29ECh. 10 - Roller coasters An amusement park has opened a new...Ch. 10 - Playground, act two The survey described in...Ch. 10 - Wording the survey Two members of the PTA...Ch. 10 - Banning ephedra An online poll on a website asked:...Ch. 10 - Survey questions Examine each of the following...Ch. 10 - More survey questions Examine each of the...Ch. 10 - Phone surveys Any time we conduct a survey, we...Ch. 10 - Cell phone survey What about drawing a random...Ch. 10 - Fuel economy Occasionally, when I fill my car with...Ch. 10 - Prob. 40ECh. 10 - Prob. 41ECh. 10 - Quality control Sammys Salsa, a small local...Ch. 10 - A fish story Concerned about reports of discolored...Ch. 10 - Prob. 44ECh. 10 - More sampling methods Consider each of these...
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- Even though Puerto Rico is a commonwealth of the United States, there are many cultural differences between the states on the continent and the island of Puerto Rico. These differences include the way consumers handle problems with purchases. Two researchers surveyed owners of DVD players in the Northeast United States and in Puerto Rico. They asked those who had experienced problems with their DVD players whether they complained. The results are given in the table below. Location Complained? United States Puerto Rico No 94 33 Yes 330 64arrow_forwardA student who believes that his or her performance on tests is influenced by wearing a lucky hat is using the method of? A. Empiricism B. Faith C. Tenacity D. Authorityarrow_forwardChoose the correct answer below. O A. Quiz scores from a college level statistics course are analyzed to determine student progress. O B. A radio station asks for call-in responses to a question concerning city recycling. O C. A survey is taken at a mall by asking passersby if they will fill out the survey. O D. A local dentist asks her patients to fill out a questionnaire and mail it back to determine the quality of the care received during an office visit.arrow_forward
- The alternative hypothesis usually represents a. The status quo b. The theory the researcher would like to prove c. The perceptions of the sample populationarrow_forwardConsider the two questions shown below. (a) Out of apples, oranges, bananas, and pears, which fruit is your favorite? (b) How much fruit do you eat in a week? Will the order in which the questions are asked affect the survey results? If so, what can the pollster do to alleviate this response bias? Choose the correct answer below. ... A. Yes, question order will affect the survey results. The pollster should try to make the questions more impartial. B. No, there is no obvious reason that question order would affect the survey results in this scenario. C. Yes, question order will affect the survey results. The pollster should alternate the order of the questions given in the questionnaire so that different respondents receive questionnaires with the same questions but different question orderings. O D. Yes, question order will affect the survey results. The pollster cannot do anything to alleviate this response bias.arrow_forwardThe sports section of the East Mule Shoe Gazette runs a weekly question that readers can answer online. After the local university’s football squad was beaten by its rival for the forty-second straight season, the question was “Do you think that the coach needs to go?” Of the 182 people who responded, 89 percent said Yes. When people say that the newspaper poll is biased, they mean that: A) students may have different opinions than townspeople B)Repeated polls would give results that are very different from each other C)Repeated polls would miss the truth about the population in the same direction D) The question asked shows a preferance on a gender or racial basisarrow_forward
- Multiple Choice Question Identify the bias that is most present in the following scenario: A Canadian radio station asks listeners to call in to voice their opinions on whether a Canadian figure skater should have won a gold medal at the Olympics. A. Response B. Selection C. Nonresponsearrow_forwardThe second slide is the first part of the question and the first slide is the second part of the question.arrow_forwardRead the scenario below to determine which one of the three factors that influence reliability (instrument, group, test administration) is of most concern to the scenario. A, multiple-choice test is developed for use as an end-of-course examination. The students taking the end-of-course exam have very little experience with a multiple-choice exam. The students struggle to understand and complete the items in the allotted time period.arrow_forward
- In a poll, 1,001 men in a country were asked whether they favor or oppose the use of "federal tax dollars to fund medical research using stem cells obtained from human embryos." Among the respondents, 47% said that they were in favor. Identify the population and the sample. What is the population in the given problem? Choose the correct answer below. A. 47% of the 1,001 men selected B. 47% of all men in the country C. All men in the country D. The 1,001 men selected Identify the sample for the given problem. Choose the correct answer below. A. 47% of all men in the country B. The 1,001 men selected C. 47% of the 1,001 men selected D. All men in the countryarrow_forward8. For the scenario below, describe in detail how all three of the main types of bias occurred, and how they might present a problem for Ted. After covering Neoclassical, Victorian, and Greek Revival architectural styles in class, Ted Mosby, an architecture professor at Wesleyan University, decided to conduct a survey among his students about their favorite architectural styles. He handed a survey to the first 150 students that came to his office, which asked the following question: “Which architectural style is your favorite: Neoclassical, Victorian, or my personal favorite, Greek Revival?” Here are the results of his survey: Neoclassical = 37 votes Victorian = 41 votes Greek Revival = 53 votes a. How did sampling bias occur? Why is that a problem? b. How did response bias occur? Why is that a problem?c. How did nonresponse bias occur? Why is that a problem?arrow_forwardNeed ASAParrow_forward
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