Answer:
Point (2, 20) does not lie on the given curve.
Step-by-step explanation:
Let us see explanation:

$32.50
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I think it is 57 I just subtracted the two numbers
Answer:
Nope!
Step-by-step explanation:
It's linear, because it has a continuous pattern. Look!
x values: 6, 7, 8, 9
y values: 4, 2, 0, -2
X values: We add 1 each time
Y values: We subtract 2 each time
I hope it helps!

To find the median, add up the frequency column to find how many trains there were in total. There were 44 trains in total in this grouped frequency table, so work out 44 + 1 2 = 45 2 = 22.5. The median is therefore between the 22nd and 23rd values.