The data results below are from a simulation conducted to estimate the number of books read per year by teenagers: 2, 7, 8, 15, 18, 19, 5, 17, 6, 4, 11, 7 What happens if we ask 100 more teenagers the average number of books read each year? The mean will decrease. O The margin of error will decrease. O The margin of error will increase The mean will increase.