Question :

The following table displays data on baggage weight collected by a bus operator that runs cross-border bus services between Malaysia and Singapore. The sample size consists of 100 randomly selected passengers for a particular day.

Weight (kg)	Passengers
0 y < 5	18
5 y < 10	3
10 y < 15	10
15 y < 20	29
20 y < 25	24
25 y < 30	11
30 y < 35	4
35 y	1

(a) Display a histogram to depict the data above (5 marks)

(b) Compute the mean (10 marks)

(c) Calculate the variance and standard deviation (10 marks)

(d) Calculate the coefficient of variation (5 marks)

(e) Interpret the distribution of baggage weights of passengers as shown in your histogram (5

marks)