29. The median of a set of data containing 9 items was found. Four data items were added to the set. Two of these items were greater than the original median, and the other 2 items were less than the original median. Which of the following statements must be true about the median of the new data set ?

Answer and Explanation

Your Answer is

Correct Answer is B

Explanation

According to the definition of the median, adding two values ​​greater than the original median to the array and adding two values ​​smaller than the original median will not affect the median.