Hello there!Your answer asks to find the median of the given numbers.Answer: B). 9To find the median, you would need to sort of the numbers from least to greaters.The given numbers we have:12, 8, 5, 6, 1, 10, 13, 11Now, just sort them from least to greatest.1, 5, 6, 8, 10, 11, 12 ,13What you would do next is eliminate the numbers on the side, one by one, in order to get your median.[tex]1, 5, 6, 8, 10, 11, 12 ,13\\\\5, 6, 8, 10, 11, 12\\\\6, 8, 10, 11\\\\8, 10[/tex]We ended up with two numbers, 8 and 10. Since we didn't end up with one number, we're going to have to add those numbers, and then divide it by two.[tex]8+10=18\\\\18\div2=9[/tex]You should get 9.Therefore, the median would be 9.B). 9 should be your FINAL answerI hope this helps!Best regards, MasterInvestor