State whether each of the following statements is true or false. (a) The average age of students in a sample is an example of a parameter. (b) If the true value of a parameter is not known, it can be...

State whether each of the following statements is true or false.
(a) The average age of students in a sample is an example of a parameter.
(b) If the true value of a parameter is not known, it can be approximated by a statistic.
(c) A sample is always smaller than the entire population.
(d) Assume that data collected on the favourite colours of a sample of three first year students is
a as follows: "pink", "blue", "red". Then "blue" is a variable.
(e) Data that is measured on the ratio scale must be quantitative data.