Given
To find:
a) The median of each data set.
b) Compare the median values of the data sets.
Step-by-step explanation:
It is given that,
a) From the above figure.
The median of the data set X is 13, and the median of the data set Y is 16.
b) Also,
The median of the data set X is less than the median of the data set Y.
That implies, the brand Y has a battery life that lasts longer than brand X.