Find the average of the numbers 61, 51, 41, 31, 21 and 11.

36 42 32 22

36

Sum of 61, 51, 41, 31, 21 and 11 = 61 + 51 + 41 + 31 + 21 + 11 = 216 Average = \(\frac{216}{6}\) = 36