Question

The mean mass of a squad of 19 rugby players is 87 kg

A player of mass 102 kg joins the squad.
Work out the mean mass of the squad now, in kilograms (kg).

Answer 1

19 players x 87kg = 1653 total kg

1653 kg + 102kg = 1755 kg

1755kg / 20 players = 87.75kg mean mass

Answer: 87.75 kg