Which hypothesis test would be used for the following research question? Are Alzheimer's rates really higher in women than men and is the longevity of women a factor?
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Which hypothesis test would be used for the following research question?
Are Alzheimer's rates really higher in women than men and is the longevity of women a factor?
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- 1. Mr. X is a professor in Statistics III. He gave an examination before and after he discussed the topic "testing hypothesis" and gathered the following data: Student Score After Score Before the Discussion the Discussion 1 85 81 2 90 87 3 75 70 4 93 89 5 88 85 60 65 7 78 75 8 92 92 9 86 85 10 95 92 = .01 level of significance, is learning effective?True or False? A cohort study involves a group of individuals who has a disease compared to a similar group without the disease.I need the answer to this question, please? An article included a summary of findings regarding the use of SAT I scores, SAT II scores, and high school grade point average (GPA) to predict first-year college GPA. The article states that "among these, SAT II scores are the best predictor, explaining 17 percent of the variance in first-year college grades. GPA was second at 15.5 percent, and SAT I was last at 13.5 percent." If the data from this study were used to fit a least squares line with y = first-year college GPA and x = high school GPA, what would the value of r2 have been? r2 =
- Errors in age reporting, particularly under reporting of children aged less than one is a serious error with far reaching implications. Evaluate any three major ways in which statistical agencies can contribute to and worsen this problem.Read the journal excerpt below:Exposure to light at night suppresses the physiologic production of melatonin, a hormone that has antiproliferative effects on intestinal cancers. Although observational studies have associated night-shift work with an increased risk of breast cancer, the effect of night-shift work on the risk of other cancers is not known. We examined the relationship between working rotating night shifts and the risk of colorectal cancers among female participants in the Nurses’ Health Study. We documented 602 incident cases of colorectal cancer among 78 586 women who were followed up from 1988 through 1998. Compared with women who never worked rotating night shifts, women who worked 15 years or more on rotating night shifts were 1.35 times more likely to develop colorectal cancer (95% CI = 1.03 to 1.77), adjusting for confounders. These data suggest that working a rotating night shift at least three nights per month for 15 or more years may increase the risk of…Populanty. 1.26 High school tobacco use. Despite the intense anti-smoking campaigns sponsored by both federal and private agencies, smoking continues to be the single-biggest cause of preventable death in the United States. How has the tobacco use of high school students changed over the past few years? For each of several tobacco products, high school students were asked whether they had used each of them in the 18 past 30 days. Here are some of the results: Year Product 2011 2012 2013 2014 2015 Any tobacco product 24.3 23.3 22.9 24.6 25.3 Cigarettes 15.8 14.0 12.7 9.2 9.3 Cigars 12.6 11.6 11.9 8.2 8.6 Pipes 4.5 4.0 4.1 1.5 1.0 Smokeless tobacco 7.3 6.4 5.7 5.5 6.0 E-cigarettes 1.5 2.8 4.5 13.4 16.0 The first row of the table gives the percentages of high school students who had used any tobacco product including cigarettes, pipes, cigars, smokeless tobacco, e-cigarettes, hookahs, snus, bidis or dissolvable tobacco in the last 30 days for the years 2011–2015. The remaining rows give…
- Do single-parent families tend to be more impoverished than families with two parents? In order to test if there is a relationship between family structure and family income level, family researcher studied a sample of 35 one-parent and 65 two-parent families in a particular city to determine whether their total family income fell below the poverty level. _________________________Family Structure____________________________ Total family Income One Parent Two Parents TOTAL Below poverty level 24 20 44 Not Below Poverty Level 11 45 56 Total 35 65 100 What are the independent and dependent variables.? What is the null hypothesis? What test should we use?…Education influences attitude and lifestyle. Differences in education are a big factor in the "generation gap." Is the younger generation really better educated? Large surveys of people age 65 and older were taken in n1 = 38 U.S. cities. The sample mean for these cities showed that x1 = 15.2% of the older adults had attended college. Large surveys of young adults (age 25 - 34) were taken in n2 = 37 U.S. cities. The sample mean for these cities showed that x2 = 18.1% of the young adults had attended college. From previous studies, it is known that ?1 = 6.4% and ?2 = 4.8%. Does this information indicate that the population mean percentage of young adults who attended college is higher? Use ? = 0.05. (c) Find (or estimate) the P-value. (Round your answer to four decimal places.) A random sample of n1 = 12 winter days in Denver gave a sample mean pollution index x1 = 43. Previous studies show that ?1 = 15. For Englewood (a suburb of Denver), a random sample of n2 = 16 winter days gave a…%19 1₁.11. Question * In a case control study the association was examined between smoking and risk of Parkinson's disease. The table below provides the results. Which of the following odds ratios is correct? controls Smokers Non smokers 0.35 2.85 1.83 0.55 Question * B C 55 45 In a population of 20 million individuals the total death from all causes is 1 million. Consider the below vital statistics describe related to mortality of three different diseases. Disease A Disease B 7000 Disease C 70000 Which disease is the most lethal or virulent? A Total death 700 All the same ||| Total sick 1000 500000 cases 2000000 30 70 Descriptive epidemiology involves analyzing and quantifying eccociations ۸:۰۲
- Deal with it.I need the correct answerSPSS Output? What would the APA Writeup be?Do single-parent families tend to be more impoverished than families with two parents? In order to test if there is a relationship between family structure and family income level, family researcher studied a sample of 35 one-parent and 65 two-parent families in a particular city to determine whether their total family income fell below the poverty level. _________________________Family Structure____________________________ Total family Income One Parent Two Parents TOTAL Below poverty level 24 20 44 Not Below Poverty Level 11 45 56 Total 35 65 100 What are the independent and dependent variables.? What is the null hypothesis? What test should we use?…
