Is it ever ethical to add bias to a statistical study? In a paragraph, why or why not?
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A: Please find the explanation below. Thank you
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Q: Corporate Perceptions Study 2011 surveyed readers and asked how each rate- reputation of the company…
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Q: The Wall Street Journal Corporate Perceptions Study 2011 surveyed readers and asked how each rated…
A: Reputation of Company Quality of ManagementExcellentGoodFairExcellent 41255Good353510Fair241015
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Q: s it ever ethical to add bias to a statistical study? In a paragraph, why or why not?
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A: we explain in the following.
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Q: 3
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A: Spurious association is kind of pseudo cause and effect association between two variables.
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A: There are several types of biases that can affect statistical analysis. Here are a few common types:
Is it ever ethical to add bias to a statistical study? In a paragraph, why or why not?
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- 1. If you wanted to conduct a survey to determine the mean shoe size of American adults, how could you collect the data to ensure that you had a simple random sample?Which of the following is NOT a misuse of statistics?Choose the correct answer below.A.Utilizing valid statistical methods and correct sampling techniquesB.Concluding that a variable causes another variable because they have some correlationC.Misleading graphsD.Making conclusions about a population based on a voluntary response sampleIS IT REASONABLE TO ASSUME THIS SAMPLE CAME FROM A NORMAL POPULATION?
- A research poll included 1762 randomly selected adults who were asked whether "global warming is a problem that requires immediate government action." Results showed that 975 of those surveyed indicated that immediate government action is required. A news reporter wants to determine whether these survey results constitute strong evidence that the majority (more than 50%) of people believe that immediate government action is required. Complete parts (a) through (c) below. a. What is the best estimate of the proportion of adults who believe that immediate government action is required? The best estimate is ☐ (Round to three decimal places as needed.)You may need to use the appropriate appendix table or technology to answer this question. In the past, 19% of all homes with a stay-at-home parent, the father is the stay-at-home parent. An independent research firm has been charged with conducting a sample survey to obtain more current information. (a) What sample size is needed if the research firm's goal is to estimate the current proportion of homes with a stay-at-home parent in which the father is the stay-at-home parent with a margin of error of 0.03? Use a 95% confidence level. (Round your answer up to the nearest whole number.) (b) Repeat part (a) using a 99% confidence level. (Round your answer up to the nearest whole number.) Need Help? Read It option esc ! 1 T Q A Z 96 2 W S X 88 command Watch It O #3 E Master It a D C $ 4 R F ~ ♫ % 5 V T G m MA 6 MacBook Pro B Y H & 7 U N D W * 8 J P 1 T M ( K 1 & O **** ) O 1 H L cricut P V command T { x + 11 ? option } រ deleCould an author use a non-random/non-probability sampling to describe a population of 50,000? why or why not?
- Explain in detail RANDOM ASSIGNMENT OF SUBJECTS.The sample mean is the point estimator of а. O b. o О с. р С. O d. HThe Wall Street Journal Corporate Perceptions Study 2011 surveyed readers and asked how each rated the quality of management and the reputation of the company for over 250 worldwide corporations. Both the quality of management and the reputation of the company were rated on an excellent, good, and fair categorical scale. Assume the sample data for 200 respondents below applies to this study. Quality of Management Reputation of Company Excellent Good Fair Excellent 40 25 5 Good 35 28 10 Fair 25 17 15 (a) Use a 0.05 level of significance and test for independence of the quality of management and the reputation of the company. State the null and alternative hypotheses. H0: Quality of management is not independent of the reputation of the company.Ha: Quality of management is independent of the reputation of the company. H0: Quality of management is independent of the reputation of the company.Ha: Quality of management is not independent of the…