Relationship between survival of patients with coronary

Assignment Help Humanities

Reference no: EM131038072

A study was done to investigate whether there is a relationship between survival of patients with coronary heart disease and pet ownership. A representative sample of 92 patients with CHD was taken. Each of these patients was classified as having a pet or not and by whether they survived one year following their first heart attack. Of 53 petowners, 50 survived. Of 39 non-pet owners, 28 survived. Note that the standard error of the difference in the two proportions is 0.34.Suppose you were interested in doing a statistical analysis of these study results.Answering the follow questions to help you with this goal!

(a) Estimate a 95% confidence interval for the proportion of patients surviving at least one year beyond the first heart attack in each of the groups (pet/no pet).

(b) Is this a randomized study? What does this suggest when translating the statistical result from part (a) into a substantive/scientific conclusion?

Reference no: EM131038072

Questions Cloud

Create a new user with the name lizardman : Write a command which will move a file named boreworms.txt from a directory named Work to a directory named Archive. Both directories are sub-directories of your current working directory.

Compare results for first class and priority mail deliveries : A product delivery manager for a mail order shipment company is trying to improve the responsiveness and efficiency of their delivery service to increasing competition. The manager will select a delivery service based on on-time delivery rates. Compa..

Suggests that consuming a high-fibre diet : Evidence suggests that consuming a high-fibre diet may be helpful in reducing cholesterol levels. What impact might this health benefit have on the life cycle of high-fibre, e.g. oatmeal and oat-based, food products?

What does sheriff bellï¿½s character represent : What does Anton Chigurhï¿½s character represent?ï¿½ Identify scenes to support your answer.

Relationship between survival of patients with coronary : A study was done to investigate whether there is a relationship between survival of patients with coronary heart disease and pet ownership. A representative sample of 92 patients with CHD was taken. Each of these patients was classified as having ..

Describe the deal model of critical thinking : Describe the DEAL Model of critical thinking - How is civic capacity intertwined with service-learning - Are there differences between service-learning and volunteering? If so, what are those differences?

An automobile dealer conducted a test to determine : An automobile dealer conducted a test to determine whether the time needed to complete a minor engine tune-up depends on whether a computenzed engine analyzer or an electronic analyzer is used. Because tune-up time varies among compact, intermedia..

Key elements of an effective management succession plan : What are the key elements of an effective management succession plan, elaborate on two of them in a scenario. How can an entrepreneur analyze risks associated with accepting a promissory note (providing seller take-back financing) for a large portion..

How are leadership and ethics-specially-business ethics : How are leadership and ethics, specially, business ethics, interrelated, if at all? Hooker informs us that "If ethical behavior were reducible to self-interest, there would be no need for ethics. We could figure out how to serve our interests and for..

User Account

All Pages