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Uncover the truth about your data

By: James Shurna

data manipulation:

the basics

this is what a good non manipulated graph should look like

test your KNOWLEDGE

Now use the newly gained knowledge to see the flaw in this graph to the side or below.

could you find it?

There are several things wrong with this graph. First, the number line was made so it was hard to see. Also, could you tell that the line did not start at zero? This makes it so a small gap looks like a very big gap. This is how data can be manipulated to make it look like grades are going down by a lot.

My sources