The weights of 11 1111 different babies are recorded on the line plot below. Each weight was rounded to the nearest 1 8 8 1 start fraction, 1, divided by, 8, end fraction pound. 6 6 6 4 8 6 8 4 7 7 7 4 8 7 8 4 8 8 8 4 8 8 8 4 9 9 9 4 8 9 8 4 10 10 A line plot labeled 6 to 10 with tick marks every one-eighth unit. Above the tick mark at six and six-eighths is one dot. Above the tick mark at seven and one-eighth is a column of three dots. Above the tick mark at seven and two-eighths is a column of two dots. Above the tick mark at eight and three-eighths there is a column of three dots. Above the tick mark at eight and four-eighths there is one dot. Above the tick mark at nine and two-eighths is one dot. What is the difference, in weight, between the two heaviest babies? pounds pounds start text, space, p, o, u, n, d, s, end text