The average weight of a family of five members (in kg) whose weights are 40 kg, 49 kg, 56 kg, 66 kg and 36 kg is:
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 49.4.
Average weight = (Sum of all weights) ÷ (Number of members)
Sum of weights = 40 + 49 + 56 + 66 + 36 = 247
Number of members = 5
Average weight = 247 ÷ 5 = 49.4 kg