Duration

5 min

10 min

15 min

30 min

1 h

Mean

9.76393443

13.4672131

16.5032787

20.9852459

25.4163934

Standard deviation

4.02181687

4.81233558

6.60978989

8.77967038

10.0157573

b

3.13738827

3.75406581

5.15624603

6.84895304

7.81321486

a

7.95303392

11.3003663

13.5270935

17.0320302

20.9066058