Interpretation, difficulty 2 of 3
A 4% dip in sales
A retail chain's regional manager notices that this month's sales are 4% lower than last month's and proposes replacing the store team. What is the most useful statistical response?
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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