If you fail, never give up because FAIL means 'First Attempt In Learning'.— A. P. J. Abdul Kalam

Statistics — quick quiz

5 real SOF IMO questions on Statistics. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

HARD

The following frequency distribution shows the ages of 50 people in a locality: Age (in years): 10-20, 20-30, 30-40, 40-50, 50-60 Number of people: 5, 12, 18, 10, 5 What is the median class of this grouped data?