Question

What number should be removed from the list {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13} so that the mean of the remaining numbers is 7.25?

Answer 1

Answer:

3

Step-by-step explanation:

1+2+4+5+6+7+8+9+10+11+12+13 = 87

87/12 +7.25