Maurice Tutor

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    Argosy University/ Phoniex University/
    Nov-2005 - Oct-2011

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    Phoniex University
    Oct-2001 - Nov-2016

Category > Computer Science Posted 13 Jul 2017 My Price 6.00

ability to survive a heart attack

Age. In a study of how depression may impact one’s ability to survive a heart attack, the researchers reported the ages of the two groups they examined. The mean age of 2397 patients without cardiac disease was 69.8 years   while for the 450 patients with cardiac disease the mean and standard deviation of the ages were 74.0 and 7.9, respectively.

a) Create a 95% confidence interval for the difference in mean ages of the two groups.

b) How might an age difference confound these research findings about the relationship between depression and ability to survive a heart attack?

Answers

Maurice Tutor
(5)
Status NEW Posted 13 Jul 2017 08:07 PM My Price 6.00

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