## Question

###### 1. Chapter 17: Exercise 38, Page 575 (12 marks) Depression: A study published in the archives...

**1. Chapter 17: Exercise 38, Page 575** (12 marks)

**Depression:** A study published in the archives of general Psychiatry examined the impact of depression on a patient’s ability to survive cardiac disease. Researchers identified 450 people with cardiac disease, evaluated the for depression and followed the group for 4 years. Of the 361 patients with no depression 67 died. Of the 361 patients with no depression 67 died. Of the 89 patients with minor or major depression 26 died. Among people who suffer from cardiac disease, are depressed patients more likely to die then non-depressed ones.?

**What kind of design was used to collect this data?**

**Write appropriate hypotheses**

**Are the assumptions and conditions necessary for interreference satisfied?**

**Test the hypothesis and state your conclusion**

**Explain in this context what your P value means**

## Answers

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