Darwin’s Finches and Normal Distribution Curves

The symmetrical histogram would have a bell shaped line. This is known as a normal distribution. Under the normal distribution curve we have 100% of an area under the curve, just like if you were to find the area of a square or a circle you would have 100%. 50% of the area lies to the left of the mean, and the other 50% lies to the right of the ... ................
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