The line plot shows the number of hours two groups of teens spent studying last week. how does the data compare for the two groups of teens? a)the range for the hours spent studying last week for the 13- to 15-year olds is the same as the range for the hours spent studying last week for the 16- to 18-year olds. b)the median value for the hours spent studying last week for the 13- to 15-year olds is greater than the median value for the hours spent studying last week for the 16- to 18-year olds. c)the mode for the hours spent studying last week for the 13- to 15-year olds is less than the mode for the hours spent studying last week for the 16- to 18-year olds. d)the 13- to 15-year olds spent an average of 14 hours studying last week.