TLS Online TPP Program

#Question id: 13422


Consider the data set 14, 18, 14, 14, 10, 29, 33, 31, 25. If you add 20 to each of the values, then

#Unit 12. Biochemical Engineering
  1. both mean and variance change 
  2. both mean and variance are unchanged
  3. the mean is unchanged, variance changes 
  4. the mean changes, the variance is unchanged