How to find the median

We can find the median by using the formula:

(N+1/2) th item

For example:

Given data: 4,6,3,5,7

We have to arrange the data into ascending order:

=3,4,5,6,7

N(total no of items)=5

Now,

Median=(N+1/2)th item

=(5+1/2) th item

=(6/2) th item

= 3rd item

Median=5

Hope it helps

Good luck on your assignment

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the answer

b. they are parallel and will never intersect.