Do It Yourself!: Visualizing Normal Curves

Use your mouse to move the sliders for the mean and standard deviation of the red curve. Notice how they change the shape of the normal distribution (represented in red) relative to the standard normal (z) distribution (represented in blue) which has mean zero and standard deviation one.

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The applet(s) on this page is from Seeing Statistics,™ an online, interactive statistics textbook. Seeing Statistics is a registered service mark used herein under license. The applet(s) on this page was designed to be used exclusively with Introduction to Probability and Statistics, Eleventh Edition, by Mendenhall, Beaver, & Beaver. (c) 2003, Duxbury Thomson Learning. The applet(s) on this page may not be copied, duplicated, or reproduced for any reason.