X 13 10 8 9 6 N1 Question 6 options 4 5 6 7 4 5 6 7 Soluti

X :    13, 10, 8, 9, 6

N-1 =

Question 6 options:

4

5

6

7

Solution

here N = 5 (count of numbers), and N-1 = 5-1 = 4