The following data represent the level of happiness and level of health for a random sample of individualsfrom the General Social Survey. A researcher wants to determine if health and happiness level are related.Use the a = 0.05 level of significance to test the claim.НealthExcellent Good Fair PoorVery HappyPretty HappyNot Too Happy271261822024756723153331039236*Source: General Social Survey1) Determine the null and alternative hypotheses. Select the correct pair.H.:Health and happiness are independentHạ: Health and happiness are dependentH,: Health and happiness have the same distributionHa: Health and happiness follow a different distribution2) Determine the test Statistic. Round your answer to two decimals.3) Determine the p-value. Round your answer to four decimals.p-value =4) Make a decision.O Fail to reject the null hypothesisO Reject the null hypothesis5) Pick a conclusion.There is sufficient evidence to support the claim that health and happiness are relatedThere is not sufficient evidence to support the claim that health and happiness are related

Given that Level of happiness and level of health Data is given in the table of 3×4 contingency…

Answered: The following data represent the level…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A Kaiser Family Foundation poll for US adults in 2019 found that 79% of Democrats, 55% of Independents, and 24% of Republicans supported a generic National Health Plan". There were 347 Democrats, 298 Republicans, and 617 Independents surveyed.a.) A political pundit on TV claims that a majority of Independents support a National Health Plan. Do these data provide strong evidence to support this type of statement? Use = 0.05.
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The table below summarizes data from a survey of a sample of women. Using a 0.01 significance level, and assuming that the sample sizes of 800 men and 300 women are predetermined, test the claim that the proportions of agree/disagree responses are the same for subjects interviewed by men and the subjects interviewed by women. Does it appear that the gender of the interviewer affected the responses of women? Gender of Interviewer Man Woman Women who agree Women who disagree 556 250 244 50 Click here to view the chi-square distribution table. Identify the null and alternative hypotheses. Choose the correct answer below. Ho: The proportions of agree/disagree responses are the same for the subjects interviewed by men and the subjects interviewed by women. : The proportions are different. Hi: O B. Ho: The proportions of agree/disagree responses are different for the subjects interviewed by men and the subjects interviewed by women. H1: : The proportions are the same. Ho: The response of the…
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A researcher is interested in investigating whether religious affiliation and the brand of sneakers that people wear are associated. The table below shows the results of a survey. Frequencies of Religions and Sneakers Nike Adidas Other Protestant 82 87 108 Catholic 63 58 98 Jewish 21 17 23 Other 76 87 82 What can be concluded at the a = 0.10 significance level?
An online book store wants to determine if there is an association between coupon redemption and gender. After a special coupon broadcast to its reward members, the following data on coupon redemption at checkout were collected. Yes No Total Male 66(76.17) 66(55.83) 132 Female 125(114.83) 74(84.17) 199 Total 191 140 331 The correct value of the test statistic is Chi-square = 5.340 Chi-square = 8.429 Chi-square = 0.839 Chi-square = 45.556
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A marketing agency wanted to determine if a new commercial changed people's opinion about a company. They recruited n=30 participants to watch the commercial. First, everyone was givien a survey to determine their attitudes toward the company. Then, everyone watched the new commercial. Finally, they were given the same survey again and asked about their attitudes toward the comapny after seeing the commercial. The agency wanted to see if attitudes were changed by the commercial. What statistical test should they use?
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The table below summarizes data from a survey of a sample of women. Using a 0.01 significance level, and assuming that the sample sizes of 900 men and 400 women are predetermined, test the claim that the proportions of agree/disagree responses are the same for subjects interviewed by men and the subjects interviewed by women. Does it appear that the gender of the interviewer affected the responses of women? Gender of Interviewer Man Woman Women who agree 625 330 Women who disagree 275 70 Compute the test statistic, rounding to three decimal places. Find the critical value(s). (Round to three decimal places) What is the conclusion based on the hypothesis test?
The Bureau of Labor Statistics reports that the official unemployment rate for Black people was 10.4% and 4.7% for White people in February 2015. Select all correct answers for this question. O The samples of white and black people are independent. The explanatory variable is the unemployment rate. The response variable is the unemployment rate. The response variable is race.
The mean number of sick days an employee takes per year is believed to be about 10. Members of a personnel department do not believe this figure. They randomly survey 8 employees. The number of sick days they took for the past year are as follows: 10; 5; 13; 3; 11; 8; 6; 9. Let X = the number of sick days they took for the past year. Should the personnel team believe that the mean number is about 10? Conduct a hypothesis test at the 5% level.Note: If you are using a Student's t-distribution for the problem, you may assume that the underlying population is normally distributed. (In general, you must first prove that assumption, though.) What is the test statistic? (If using the z distribution round your answers to two decimal places, and if using the t distribution round your answers to three decimal places.) t = Construct a 95% confidence interval for the true mean. Sketch the graph of the situation. Label the point estimate and the lower and upper bounds of the confidence…

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