In 2020, a study measured the exercise capacity (in minutes) of 12 randomly selected seniors aged 60 years and over. Their data are shown below:

34	19	33	30	43	36
32	41	31	31	37	18

a.What type of variable was collected and what scale was it measured on?

b.Find the mean, the median, and the mode for the seniors’ exercise capacity.

c.Obtain the five-number summary for the students' exercise capacity.

d.Represent the data using a box and whisker plot. Are there any outliers present?

e.Represent the data using a stem and leaf plot.