The ages in years of employees at two different companies are shown below.

• Company A: 22, 30, 31, 36, 38, 46, 49, 52
• Company B: 48, 55, 67, 67, 69, 70, 75, 77

Which statement about the mean ages of the employees at the companies is true?

The difference between the mean ages of the employees of Company A and Company B is 55 years.

The difference between the mean ages of the employees of Company A and Company B is 28 years.

The difference between the mean ages of the employees of Company A and Company B is 25 years.

The difference between the mean ages of the employees of Company A and Company B is 31 years.