Skillbuilder Applet Exercise demonstrates the effects that the mean and standard deviation have on a normal curve.
a. Leaving the standard deviation at 1, increase the mean to 3. What happens to the curve?
b. Reset the mean to 0 and increase the standard deviation to 2. What happens to the curve?
c. If you could decrease the standard deviation to 0.5, what do you think would happen to the normal curve?