The fourth central moment of a normal distribution is 3σ.
In Figure 7.7 half of the normal distribution is drawn.
With normal distribution South would have taken 13 tricks, but he had a problem in making 12 when the heart five was led.
Insurance companies use normal distributions to model certain average cases.
The normal distribution is shown as a blue line for comparison.
However, in general, each component does not necessarily have a normal distribution.
In standardized testing, results can be made to have a normal distribution.
Each of the two populations being compared should follow a normal distribution.
I expect the graph would show approximately a normal distribution.
Alternatively, the difference can be compared to a normal distribution.
Wörterbuch für Mathematik