The antibody health center conducted a 20-week weight loss experiment. The results showed that participants lost an average of 10 kg. Among them, male participants lost an average of 14 kg and female participants lost an average of 8 kg. If the above statement is true and the statistics are accurate, which of the following must also be true? ['All participants lost weight.', 'As many male participants as female participants.', 'More female participants than male participants.', 'More male participants than female participants.']