Question

a youth club has 60 members 40 boys
20 girls
the mean number of videos watched by all members was 2.8
the mean number of girls by the 40 boys was 3.3
calculate the mean number of videos watched by the 20 girls

Answer 1

Step-by-step explanation:

2+3=5

so

8 + 3 =1o

10 + 10 11

so 8+3=11but 1 goes to ten

hence 10+1=11

answer is 10

11