Which relation is a function? Grupp av svarsalternativ

(2, 7), (6, 5), (4, 4), (3, 3), (2, 1)

(1, 1), (2, 2), (3, 3), (4, 4), (5, 8)

(9, −3), (9, 3), (4, −2), (4, 2), (0, 0)

(1, 0), (3, 0), (1, 1), (3, 1) (1, 3)

Select the correct answer from each drop-down menu. james needs to clock a minimum of 9 hours per day at work. the data set records his daily work hours, which vary between 9 hours and 12 hours, for a certain number of days. {9, 9.5, 10, 10.5, 10.5, 11, 11, 11.5, 11.5, 11.5, 12, 12}. the median number of hours james worked is . the skew of the distribution is