Standard Normal Curve
Mean = 0       Standard Deviation = 1










Standard Normal Curve
Mean = 0       Standard Deviation = 2









Normal Curve
Mean = 200        Population Standard Deviation = 15





Normal Curve (y-axis scaled)
Mean = 200        Population Standard Deviation = 15








Normal Curve (red) & Standard Normal (blue)
Mean = 200        Population Standard Deviation = 15











Normal Curve
Mean = 75        Population Variance = 256






Normal Curve (y-axis scaled)
Mean = 75        Population Variance = 256