Answer:
Sample answer: The median of the means for Grade 8 is greater than for Grade 12. However, there is less variation in the data for Grade 12 since the length of the box for Grade 12 is shorter than the one for Grade 8.
Answer:
Step-by-step explanation:

We need an image to be able to answer this question
Let's assume
x represents the number of $25 tickets
y represents the number of $50 tickets
A total of 1,250 tickets
so, we get

So, cost of $25 tickets is 25x
So, cost of $50 tickets is 50y
Total cost of tickets =(cost of $25 tickets)+(cost of $50 tickets)
Total cost of tickets =25x+50y
we are given
worth $50,000, were sold
so, we get equation as

we get system of equations as

..............Answer