Which quartile is equal to median?

Q. Median is also known as quartile.

Q. 2nd quartile and are the same as the median.

Q. A quartile ____________—a lower quartile, median, and upper quartile—to form four groups of the dataset.

Q. Which of the following box plots indicate median = 50, lower quartile = 20 and upper quartile = 70?

Q. Quartile deviation is equal to _______.