Asked by S

Mean of 10 observations is 100. One of the observations is dropped from the data. The mean of the remaining observations is 9. What is the value of the dropped observation?
Answered by PsyDAG
Do you have a typo? It would take an extremely deviant score (>100) to drop the mean from 100 to 9 by omitting it.
Answered by S
I typed the question correctly maybe my homework has a typo...