- (a) Explain what you understand by a random sample from a finite population.
(b) Give an example of a situation when it is not possible to take a random sample.
A college lecturer specialising in shoe design wants to change the way in which she organises practical work.
She decides to gather ideas from her 75 students.
She plans to give a questionnaire to a random sample of 8 of these students.
(c) (i) Describe the sampling frame that she should use.
(ii) Explain in detail how she should use a table of random numbers to obtain her sample.