The line plots show the number of minutes two different age groups of teenagers spent online the previous week. Select from the drop-down menus to complete each statement.

1) The range is _.
a) is greater for data set one (13-15-year-olds)
b) is greater for data set two (16 to 18-year-olds)
c) is the same for both sets of data

2) The mean _.
a) is the same for both sets of data
b) is greater for data set one (13-15-year-olds)
c) is greater for data set two (16 to 18-year-olds)