Consider the following data set: 3, 4, 6, 7, 9, 9, 11.
Identify a number you could add to the set to keep the mean equal to the median.
Mean = 49/7 = 7
Median = 7
Does that give you a hint?
Identify a number you could add to the set to keep the mean equal to the median.
Median = 7
Does that give you a hint?