13. You want to determine whether to serve hamburgers or pizza at a soccer team party.a) Write a survey question that would likely produce biased results.b) Write a survey question that would likely produce unbiased results.

Basically surveys are designed to get the feedbacks. They are 2 types: 1.Biased Survey: Biased…

Answered: 13. You want to determine whether to…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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I have answered this sample sheet but I just want to make sure my answers are right. Can you show me your answers? Thank you! 1. Exploratory Data Analysis refers to A. a set of procedures for producing descriptive and graphical summaries of the data. B. a set of summaries for producing descriptive and graphical procedures of the data. C. a set of procedures for producing descriptive and written summaries of the data. D. a set of procedures for producing descriptive and graphical summaries of the data. 2. Which of the following choices are referred to as categorical data? A. nominal and interval B. nominal and ordinal C. ordinal and interval D. interval and ratio 3. Which of the following choices are referred to as continuous data? A. ordinal and ratio B. nominal and ratio C. ordinal and interval D. interval and ratio 4. Which of the following choices is NOT a property of an ordinal data? A. represent discrete units B. values are inherently ordered C. has absolute zero D. none…
1. A report in a national magazine estimated that 39 percent of American husbands do not know the color of their wives' eyes. Bill Cornett is a marriage counselor in a clinic in New Orleans. He feels the figure is higher for husbands in the greater New Orleans area. A sample of 264 husbands in this area yielded 111 who did not know the true color of their wives' eyes. a. Conduct a test of significance to determine whether the value of 0.39 can be rejected as too low for husbands in New Orleans. Be sure to state your hypotheses, all relevant statistics, a list of technical conditions, and a conclusion to your test. b. Produce a relevant confidence interval designed to capture the true proportion of American husbands who do not know the color of their wives' eyes. Explain how your interval backs up the result of your test of significance from part a.
Suppose 500 people in the sample of 1,007 adults were women. Gallup asked these 500 women. "What is your favorite Summer Olympic event?" Thirty-five percent said swimming was their favorite. Gallup gave a margin of error for this result. A) ....Plus or minus 3 percentage points just as for the overall poll B)...greater than plus or minus 3 points becuase the sample for this question is smaller C)...less than plus or minus 3 points because the population of swimming fans is smaller than the population of all adults D)...Less than plus or minus 3 points becuase the sample for this question is smaller
Determine if the survey question is biased. If the question is biased, suggest a better wording. How often do you eat vegetables during an average month? Is the question biased? OA. Yes, because it does not lead the respondent to any particular answer. A better question would be "Why is eating vegetables good for you?" OB. Yes, because it influences the respondent into thinking that eating vegetables is good for you. A better question would be "Do you think that eating vegetables is good for you?" OC. No, because it influences the respondent into thinking that eating vegetables is good for you. OD. No, because it does not lead the respondent to any particular answer.
3) A principal of a local high school wants to select 30 students from a student body of 600 students. He wants the proportion of students in each grade level to be the same in the sample as it is in the entire school. Describe how he could make a stratified sample if there are 100 freshmen, 160 sophomores, 200 juniors, and 140 seniors. Show all work. Write final answer in sentence form. o
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Which statement is true with regard to non-response bias? 1.Respondents have strong opinions about the subject matter. 2.Respondents change their answers to influence the results. 3.Respondents give the answer they think the questioner wants. 4.Respondents do not give their honest opinion.
What is the purpose of a contingency table a. It summarizes the frequencies of two variables so that they can be compared. b. It lists the different levels of p value for tests of significance. c. It shows the results you would expect to find by chance. d. It compares the results you might get from various statistical tests.

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13. You want to determine whether to serve hamburgers or pizza at a soccer team party. a) Write a survey question that would likely produce biased results. b) Write a survey question that would likely produce unbiased results.