The bodyweight of eight members of a club is recorded as 69kg, 63kg, 72kg, 76kg, 82kg, 93kg, 59kg, and 55kg. What is the average body weight of all the eight members?
- A71.13kg
- B61.13kg
- C75.15kg
- D73.50kg
Solution & Step-by-step Explanation
The formula for average is:
Average=
Total number of observations
Sum of all observations
Sum of weights = 69+63+72+76+82+93+59+55=569kg
Total number of members = 8
Average=
8
569
=71.125kg≈71.13kg
Average=
Total number of observations
Sum of all observations
Sum of weights = 69+63+72+76+82+93+59+55=569kg
Total number of members = 8
Average=
8
569
=71.125kg≈71.13kg