Source: Exemplar
The mean of 100 observations is 50. If one of the observations which was 50 is replaced by 150, the resulting mean will be:
Options
Option A
50.5
Option B is correct
51
Option C
51.5
Option D
52
The mean of 100 observations is 50. If one of the observations which was 50 is replaced by 150, the resulting mean will be:
50.5
51
51.5
52