The night before the exam, sleep. A rested mind recalls what a tired one has only read.

Statistics — quick quiz

5 SOF IMO-pattern questions on Statistics. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 5

Easy

The mean of 8, 12, 16, x, 20 and 24 is 16. What is the value of x?