Mean of a data set
Find the mean (average) of a small data set of whole numbers or one-decimal numbers. Unlimited questions, five difficulty levels, and a full worked solution every time — free.
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Caleb recorded these books read each month: 9, 16, 10, 9. What is the mean?
Answer: 11
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Liam recorded these kilometres biked each day: 22, 23, 18, 25. What is the mean?
📘 Worked solution
122 + 23 + 18 + 25 = 88Add all 4 values together to get the total.
288 / 4 = 22The mean is the total shared evenly among the 4 values.
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