The graph below is from:

• 2018 Sasaki J. et al, National estimates of self-reported sitting time in adults with multiple sclerosis, Mult Scler J, doi:10.1177/2055217318754368

It shows the distribution of sitting time (in minutes per day) in a sample of people with Multiple Sclerosis.

Describe the distribution and centre of sitting time. (select one of the below)

a. The distribution is uniform with median 480 min/day

b. The distribution is approximately normal with mean 480min/day

c. The distribution is right-skewed with median 480min/day

d. The distribution is left-skewed with mean 480min/day