Question

53/2, 101, 28, 55, 69/2, 57, -101, 77, 62, 88, 71

Calculate the average (arithmetic mean) of the list of numbers shown in the table. (rounded to the nearest tenth)
A) 41.6
B) 45.3
C) 45.4
D) 45.5

Answer 1

arithmetic mean = sum of terms/# of terms

since there are 11 terms, simply add all the numbers in the list, divide by 11, then round to the nearest tenth

Answer 2

thank you, that makes so much sense