Answer:the median is 20 and the lower quartile is 16.5
Step-by-step explanation:
I would try Khan Academy. He does very good explainations
Answer:
j = 6
Step-by-step explanation:
"Is" typically means equals. "More than" means it is added to.
So 15 equals j with 9 added to it.
15 = 9 + j
Now solve for j by subtracting 9 from both sides.
15 - 9 = j
j = 6