So here we have a median of this bottom half of 2. Well, we have 1, 2, 3, 4, 5, 6, 7, 8 data points. So this is a part that we would attempt to represent with the box. People reported the following distances traveled. So both of those 1’s are right over there.
We want to think about the box part of the box and whisker essentially represents the middle half of our data. Drawing a box and whisker plot Example: New math lessons Email. Now, let’s take the median of each of those sets. And that could be So let’s say that’s 0.
I’ll do this in orange.
That could be So the middle number is going to be a number that has 8 numbers larger than it and 8 numbers smaller than it. So let’s think about it.
And they go as xnd as 1. Draw a line from the smallest value 5 to the left side of the box and draw a line from the right side of the box to the biggest value So I got that 1 right over there.
But he’s trying to visualize the spread of information. So the number whisket here is larger than 8 of the values. He wants to create a graph that helps him understand the spread of the distances– this is a key word– the spread of distances and the median distance that people traveled or that people travel.
And we’d want to show where the actual median is. Halfway in between the two is And the convention is to take our median out and have the sets that are left over.
Join the ans for the 75 quartile and the upper quartile to form a box. Now, when we’re trying to construct a box and whisker plot, the convention is, OK, we have our median. Do we have any 6’s? So here we have a median of this bottom half of 2.
Box plot review
And that looks like the only 6. So this is 2.
I am at least 16 years of age. And then the whiskers of the box and whisker plot essentially show us the range of our data.
Box and Whiskers Plot (solutions, examples, videos)
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Draw a number line that will include the smallest and the largest data.
So I have the 1’s, 2’s, 3’s, 4’s, no 5’s. Then we have a New math lessons Email. And then we have another two. And now, look separately at this set and look separately at this set. We want to think about the box part of the box and whisker essentially represents the middle half of our data. And I can do this in a different color that I haven’t used yet.
Box and whisker plot: how to construct (video) | Khan Academy