Saudi Electronic University Health & Medical Questions

Use the data set provided, answer the following questions:Q1- Q4

A study was conducted to identify the changes in triglyceride levels of subjects followed by a specific diet. The diet consists primarily of protein and animal fat, restricting carbohydrate intake. The study participants followed the diet with length of time varying from 3 to 17 weeks (Datasheet is provided in excel attachment )

Q1. Write a statistical summary for participant’s demographic details that includes variable age, gender, weeks on diet & physical activity?

Mark -2

Q2. Compute most appropriate measure of central tendency & dispersion to report the variable “changes in triglyceride level” and address its worthiness?

Mark – 2

Q3. What is the appropriate statistical test for identifying significance difference in the “changes in triglyceride levels” in male and females & Why?

Mark – 1

Q4. What are the assumptions underlying the test you identified in Question-3?

Mark -1

Q5: In a cross sectional study on coronary heart disease (CHD), the smoking and CHD status are summarized below

• What is the appropriate statistical test for identify the association between smoking and CHD ? Mark -1
• What are the assumptions and application of the proposed test identified for Q.5a Mark – 2