Mean because all of the data points are
fairly close and there aren't any outliers
(extreme values)
The glee club could have 6 members so the 48 classical CDs would be divided into 8 and the 42 show tunes could be divided into 7
> this is the sign for the larger absolute value
Well 5+2 is 7 and 51/2+21/7 is 57/2
-x intercepts: 5, -2
-1/2(x-5)(x+2) is wider than the first equation because the coefficient is smaller