Respuesta :

23aa7776

Answer:

257

Step-by-step explanation:

First you have to add all of them up then divide by how many there are:) good luck.

studentuser0409

Answer:

Swim Club A: 30

Swim Club B: 50

Explanation:

Mean = Average of the numbers.

1. Add up all the numbers.

2.Divide by how many numbers there are.

Swim Club A:

  • 15 + 20 + 25+ 30 + 35 + 40 + 45 = 210
  • 210 ÷ 7 = 30
  • Mean: 30

Swim Club B:

  • 35 + 40 + 45  + 50 + 55 + 60 + 65 = 350
  • 350 ÷ 7 = 50
  • Mean: 50