Statistics Quest

Practice

Practise until it sticks

Choose a topic, a skill or a difficulty. Calculation exercises have new versions with fresh numbers once you have solved them, so you can practise the method rather than memorise an answer.

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Application, difficulty 2 of 3

A two-part summary of bonuses

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annual_bonus_sar in the salaries dataset is zero for employees who received no bonus. Give a two-part summary: (a) the percentage of employees with no bonus (1 decimal place) and (b) the median bonus among employees who received one (SAR, 2 decimal places).

Data: salaries · Open in the lab to explore and calculate.