Question

Question 7. Patients of various ages (X) undergoing the same medical treatment suffer asthma attacks of different durations (Y).

Age (in years)	Duration of attacks (in minutes)
30	15
25	28
65	30
50	22
40	24

(a) Draw a scatter diagram.

(b) Find the regression equation.

(c) Interpret the values of a and b.

(d) Predict the duration of an attack if the patient is 42 years old.

Answer 1