Help me with this please
only number 13 & 14

How can you tell when x and y are not directly proportional?

What number is 7 units left of -15?

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 150, 120, 136, 180, 158, 175, 124, 162 minimum maximum median upper quartile lower quartile