JAMB - Economics (2008 - No. 45)
Use the data below to answer this questions
54, 36, 62, 79, 83, 36, 62, 42, 62, and 42.
Calculate the mean?
54, 36, 62, 79, 83, 36, 62, 42, 62, and 42.
Calculate the mean?
45.5
55.6
55.8
65.8
Wyjaśnienie
The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are.
54 + 36 + 62 + 79 + 83 + 36 + 62 + 42 + 62 + 42 = 558
558/10 = 55.8