Answer: the missing value is 7
Step-by-step explanation: so first, place the five numbers in order of value: 4, 6, 13, 15, 19. Currently, the median is 13. However, because you need to find a missing number, there will be two numbers for the median, since there should be six in total. Because there will be two numbers, their total, when they are added together, should be equal to two times the median. So 2 times 10 is 20. The missing number is 7: 4,6,7,13,15,19. A way to check over this is adding 13+7 & dividing by two, since there are now two numbers in the middle. If you get 10, the answer is correct.
- hope this helps
:)