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

Statistics and Probability — quick quiz

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

Question 1 of 2

HARD

The mean of 8 observations is 15. If one observation with value 20 is removed, what is the new mean?