: Given the following data:

1, 2, 1, 0, 2, 2, 1, 1, 0, 0, 2, 2, 1, 1, 0, 0, 1, 2, 1, 1.

a) Construct a stem and leaf plot.

b) Proportion of measurement less than 1?

c) Proportion of measurement less than 2?

d) Describe the shape of the data?

e) Find the range?