Which set of ordered pairs does not represent a function? A.{(−4,3),(8,3),(−2,−3),(7,7)}
B.{(−2,−5),(0,−2),(9,9),(2,1)}
C.{(9,3),(5,4),(3,−3),(−6,−3)}
D.{(6,1),(8,2),(−4,5),(6,3)}

The dot plot below shows the number of toys 21 shops sold in an hour: dot plot labeled number of toys sold shows 6 dots over 0, 4 dots over 1, 3 dots over 2, 3 dots over 3, 2 dot over 4 and 3 dots over 9 is the median or the mean a better center for this data and why? median; because the data is not symmetric and there are outliers median; because the data is symmetric and there are no outliers mean; because the data is symmetric and there are no outliers mean; because the data is skewed and there are outliers