The age, in years, of a sample of 14 possums is displayed in the dot plot below.
The mean and the standard deviation of age for this sample of possums are closest to
- mean = 4.25 standard deviation = 2.6
- mean = 4.8 standard deviation = 2.4
- mean = 4.8 standard deviation = 2.5
- mean = 4.9 standard deviation = 2.4
- mean = 4.9 standard deviation = 2.5