Results are given as means of six rats per group with standard errors.

Each grade level has three to four class divisions with 19 to 27 students per group.

The top two teams per group advanced to the final round.

There is a service charge and a limit of 10 passes per group.

The experiment was designed to have three rats per group.

Four match groups in a year, five matches per group.

Expect to pay around €100 per group for the longer tours.

We recommend at least one adult per group of seven youth.

Lectures can have no more than 6 people per group.

"No more than two adults per group, and at least one child under the age of 8."