A cat gave birth to kittens. Three of the kittens had different weights between 1 and 2 kg, and one kitten weighed 0.5 kg. The kitten that weighed 0.5 kg was then adopted, so that kitten was removed from the data set. How will the removal of the kitten affect the mean and median?
a) Both the mean and median will increase, but the median will increase by more than the mean.
b) Both the mean and median will increase, but the mean will increase by more than the median.
c) The mean will increase, and the median will decrease.