Interpretation, difficulty 2 of 3
A pie of averages
A colleague draws a pie chart with one slice per department, where each slice's size is the department's average base salary. What is wrong with this chart?
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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