Question

HELP PLEASE DUE SOON (i got the question wrong 2 tries)

Answer 1

Explanation:

Mean number of tickets sold by boys =

Total Number of tickets sold / Number of boys

=

`((1 * 4) + (2 * 3) + (4 * 1) + (12 * 1) + (13 * 1) + (15 * 3) + (14 * 2)/(4 + 3 + 1 + 1 + 1 + 3 + 2) \\ = (4 + 6 + 4 + 12 + 13 + 45 + 32)/(15) \\ = (116)/(15) \\ = 7.73(nearest \: hundredth)`