Std Dev Symbol. A high standard deviation indicates that the data points are spread out over a large range of values. Mathematics statistics standard deviation.
A low standard deviation indicates that the values tend to be close to the mean also called the expected value of the set while a high standard deviation indicates that the values are spread out over a wider range. The names sigma and standard deviation symbol are used interchangeably for this character. Mathematics sum of divisors.
You can add more than one number this way one after another.
You can add more than one number this way one after another. Middle value of random variable x. Covariance of random variables x and y. A low standard deviation indicates that the data points tend to be very close to the mean also called expected value.
