QUESTION $3(4$ Marks$)$

Which ONE of the following random variables is continuous?

A$.$ Number of buttons on a calculator.

B$.$ Amount of withdrawals made from an account in a week.

C$.$ Mass of an apple.

D$.$ Episodes in a season of $$Magnum PI$.$

QUESTION $4(4$ Marks$)$

A nurse checks a person$$s pulse before a blood donation. The data collection technique used by the nurse is:

A$.$ experimentation

B$.$ interview

C$.$ survey

D$.$ observation

QUESTION $5(4$ Marks$)$

A journal article is an example of:

A$.$ primary data

B$.$ secondary data

C$.$ internal data

D$.$ external data