If each of the numbers in the following data set were multiplied by 26, what would be the new median of the data set? 14, 20, 18, 58, 71, 36

Find the median of the original set and multiply it by 26

or: 

multiply each of the original numbers by 26 and find the median of this new set of numbers.

Median is the middle number in the list when listed in ascending order   ..... if there are TWO numbers in the middle...it is the average of those two.