Respuesta :

pingwin09
MEDIAN:
9 (middle)

MEAN:
(12 + 16 + 10 + 9 + 20 + 11 + 20) / 7 = 14

RANGE:
Highest value: 20
Lowest value: 9
Range: 20 - 9 = 11

INTERQUARTILE RANGE:
First quartile: 16 (It is between 12 and 10)
Third quartile: 11 (It is between 20 and 20)
Interquartile range: 16 - 11 = 5

Hope this helps ☺️✌️