Find the mean of: 4, 8, 12, 16, 20.
Question 1
Q1. Find the mean of: 4, 8, 12, 16, 20.
Answer: 12
Explanation: Mean = (4+8+12+16+20) ÷ 5 = 60 ÷ 5 = 12. Show the calculation clearly when solving similar quantitative items.