Question

2. Recall from Homeworks 1 and 2, Daviglus and colleagues also reported the follow-up time in...

2. Recall from Homeworks 1 and 2, Daviglus and colleagues also reported the follow-up time in these men. The 189 non-fish eaters were followed for a total of 4,754 person-years, while the 242 men who consumed at least 35 g/day of fish were followed for a total of 6,368 person-years. As indicated in question 1, 48 of the 189 men who consumed 0 g/day of fish at baseline died of CHD over the follow-up period, while 46 of the 242 men who consumed at least 35 g/day of fish died of CHD over the follow-up period.

Perform an appropriate test to determine whether the rates of CHD death differ between the two groups. Make sure to specify your null and alternative hypotheses and draw a brief conclusion.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

To test 2 sample proportion values we use z distribution

Z = (p1-p2) /√( (p1q1/n1) + (p2q2/n2) )

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Part 2: The Cohort Study Data for the cohort study were obtained from the population of...
Part 2: The Cohort Study Data for the cohort study were obtained from the population of all physicians listed in the British Medical Register who resided in England and Wales as of October 1951. Questionnaires were mailed in October 1951 to 59,600 physicians. The questionnaire asked the physicians to classify themselves into one of three categories: 1) current smoker, 2) ex-smoker, or 3) nonsmoker. Smokers and ex-smokers were asked the amount they smoked, their method of smoking, the age they...
In about 300 words, write an essay analyzing the below case study using the SWOT framework....
In about 300 words, write an essay analyzing the below case study using the SWOT framework. Johnson & Johnson Consumer Products, INC. Johnson & Johnson is a household name in baby-care as well as medical products. Nearly every family in the United States has in its house at least one product made by this company. Founded in 1885, Johnson & Johnson is currently an international enterprise, with 170 affiliated companies in fifty-five countries. J&J enjoys a reputation for high-quality products...
1. Summarize in a few sentences what Ayers found about pricing strategies in car markets. 2....
1. Summarize in a few sentences what Ayers found about pricing strategies in car markets. 2. Do you think that this is a profit maximizing strategy? Do you think this is an appropriate and reasonable strategy for businesses to undertake it it increases their profits? 3. Can you think of other goods or services that could be - or are - priced the same way? Check out the article on discrimination in coffee shops "Waiting for Good Joe" for some...
Article # 1 Inside Nike, Women staffers circulated survey about workplace behavior Informal survey about alleged...
Article # 1 Inside Nike, Women staffers circulated survey about workplace behavior Informal survey about alleged inappropriate behavior by men at company triggered formal review. March 19, 2018, by Sara Germano & Joann S. Lublin for www.wsj.com Last year, a group of female employees at Nike circulated an informal survey about alleged inappropriate behavior by men at the world’s largest sportswear maker, people familiar with the matter said; a move that preceded the ouster of two veteran executives last week....
Actually a HISTORY question: what tactics does Einhard use to portray Charlemagne in "Life of Charlemagne"...
Actually a HISTORY question: what tactics does Einhard use to portray Charlemagne in "Life of Charlemagne" and what tactics does Procipius use to describe Justinian in a positive light in the "Nika Riots"? Ive posted both excerpts. "Life of Charlemagne" Charles the Great, (Charlemagne in French) reigned 768-814 as king of the Franks and the most important ruler of the Carolingian Dynasty, conquering lands in what is now Germany, France, Spain, and Italy. On Christmas Day 800 C.E., Pope Leo...
DIRECTIONS: This is an open book, take home examination. You may look up the answers and...
DIRECTIONS: This is an open book, take home examination. You may look up the answers and discuss them, if you wish. The Multiple Choice questions will be worth 1 point each and the essay questions will be worth 25 points each. This examination is over Chapters 6 through 9. MULTIPLE CHOICE: 1. During Piaget's concrete operational stage, children a. are more egocentric than they were during the preoperational period. b. often confuse appearances with reality. c. are unable to reverse...
QUESTION 1 ? What is the relationship between family dysfunction and schizophrenia? a. ?Research has substantiated...
QUESTION 1 ? What is the relationship between family dysfunction and schizophrenia? a. ?Research has substantiated a link between family dysfunction and schizophrenia but can't say which causes the other. b. ?Family dysfunction is a major causative factor for schizophrenia. c. ?Research has failed to substantiate a direct causal link between family dysfunction and schizophrenia. d. ?Family dysfunction plays a minor role in developing schizophrenia. 1.00000 points    QUESTION 2 ? Chuck has no life plan; he simply lives from...
1. Is NASCARs main goal to maximize profits? If not, what is their major goal? Is...
1. Is NASCARs main goal to maximize profits? If not, what is their major goal? Is there a tradeoff involved here? 2. Is the motivation for the actions described in the NYT article (safety changes, blackbox data collection) connected to their goal? Explain. 3. If people tune in to see crashes (Nascar fans love crashes the way hockey fans love fights; when you watch the Speed Channel's edited replays of Nascar races, the plot is always the same: green flag,...
1. In which phase of the business cycle is the U.S. economy currently in? ________________. How...
1. In which phase of the business cycle is the U.S. economy currently in? ________________. How many months has the U.S. economy been in this stage of the business cycle? ___________ months 2. How long has the current expansion/recovery lasted to date? _________________ How does this compare to the average length of U.S. recessions since 1854? ______________________________. 3. What do the last four recoveries/expansions (that is, the current recovery/expansion and the previous three recovery/expansions), suggest about a new trend in...
Moore Plumbing Supply Company Capital Structure Mort Moore founded Moore Plumbing Supply after returning from duty...
Moore Plumbing Supply Company Capital Structure Mort Moore founded Moore Plumbing Supply after returning from duty in the South Pacific during World War II. Before joining the armed forces, he had worked for a locally owned plumbing company and wanted to continue with that type of work once the war effort was over. Shortly after returning to his hometown of Minneapolis, Minnesota, he became aware of an unprecedented construction boom. Returning soldiers needed new housing as they started families and...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT