A random sample of 20 adults in a particular country were asked to state what type of birth control method they use. The results are in the table below.

None
None
None
Condom
Condom
Condom
Other
None
None
None
Pill
None
None
Pill
None
None
Pill
Other
Other
Condom

a) Since data were collected for variable(s), the correct graph to make is a .

b) Complete the frequency/relative frequency table.

Birth Control Type Frequency Relative Frequency
None
Condom
Pill
Other

c) Which of the following is the correct bar chart for the given data?

d) Which of the following is the correct pie chart for the given data?