Sentence examples similar to an improvement of two standard deviations from inspiring English sources

A threshold was fixed at two standard deviations over the mean of the background.

For those keen on statistics, the standard deviation is 689 days; bar one item (iGoogle) all the group members lie within two standard deviations of the mean.

One standard deviation happens one draw out of three, two standard deviations one out of twenty, three standard deviations is one out of one hundred.

All elements out of the two standard deviations were eliminated.

Districts such as Robbinsdale, Minn., and urban schools in districts such as San Francisco, New York City and Bridgeport, Conn., have in elementary grades seen two standard deviations of improvement for their students.

"The intensity of the European audiences is two standard deviations higher".

Height differences between boys and girls are two standard deviations".

During the financial crisis of 2007 2009, for example, the uncertainty index rose by about five standard deviations; in the recession of the early nineteen-nineties, it jumped by 3.5 standard deviations.

So it's a kind of self-interestedness that's probably three standard deviations above the mean.

The average plus three standard deviations of blank wells were calculated as a cut-off value.

What's three standard deviations?