Answer:
The lower quartile is the median of the lower half of the data.
C is the correct option.
Step-by-step explanation:
In a box and whiskers plot, we show the below parameters:-
In order to find the upper quartile, we evaluate the median of the upper half and to find the lower quartile, we find the median of the lower half of the data.
Hence, the lower quartile is the median of the lower half of the data.