Paper 2 · Hypothesis Testing
Which statement correctly distinguishes a statistic from a parameter?
AA statistic is calculated from a sample, while a parameter describes the whole population.
BA statistic describes the whole population, while a parameter is calculated from a sample.
CA statistic and a parameter are both calculated only from sample data.
DA parameter changes with every new sample taken, while a statistic stays fixed.
Explanation: A statistic is a numerical value computed from sample data, used to estimate the corresponding population characteristic, which is called a parameter.
Derived from ZIMSEC Statistics Paper 2, November 2018, Q10
