Interpretation, difficulty 2 of 3
An open-ended top class
An income table ends with the band “50 000 SAR or more”, which contains 4% of households. An analyst needs a typical income. What is the best approach?
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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