random sample of 12 people in the clinical trial for the new drugs were asked to log their weight loss

INSTRUCTIONS TO CANDIDATES

ANSWER ALL QUESTIONS

Question 1 [5]

For the variables listed below [(a) – (j)] select the correct measurement scales from (i) to (v)-

(i) Nominal

(ii) Ordinal

(iii) Binary

(iv) Interval

(v) Ratio

 

(a) Gender

(b) Temperature in Kelvin

(c) Hair color of the students in the class

(d) Ethnicity of the population in a county

(e) Age in years/months of the students in the class

(f) Education Diplomas earned by a student [Bachelors Diploma, MBA etc.]

(g) European Countries

(h) Alcoholic or non-alcoholic

(i) Marital status of a person

(j) Weight of students in the class

 

Question 2 [5]

Clinical Trial on New Drug for Weight loss

A random sample of 12 people in the clinical trial for the new drugs were asked to log their weight loss after 1 week in the program. Following is the weight loss (lbs) reported by the people in the clinical trial:

6.6, 5.5, 8.3, 7.2, 1.6, 18.6, 12.5, 22.0, 8.7, 3.4, 5.3, 2.2

Compute the central tendency theorem and analyze the data with respect to the weight loss.

A sample of patients in the clinical trial of a new drug for weight loss produced the bell-shaped histogram. The mean and the standard deviation for the weight loss is 18 and 1.5. Explain how you understand this data with respect to severe weight loss or moderate weight loss.

 

Question 4

Define the following terms: [5]

Sample Space, Independent event, Retrospective study, Prospective study, Random Variable

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