Zero Means
When the mean (μ) is zero Chebyshev's inequality takes a simple form. Let σ2 be the variance. Then
With the same conditions Cantelli's inequality takes the form
Read more about this topic: Chebyshev's Inequality
Famous quotes containing the word means:
“The aim of poetry, it appears, is to fill the mind with lofty thoughts—not to give it joy, but to give it a grand and somewhat gaudy sense of virtue. The essay is a weapon against the degenerate tendencies of the age. The novel, properly conceived, is a means of uplifting the spirit; its aim is to inspire, not merely to satisfy the low curiosity of man in man.”
—H.L. (Henry Lewis)
“If behind the erratic gunfire of the press the author felt that there was another kind of criticism, the opinion of people reading for the love of reading, slowly and unprofessionally, and judging with great sympathy and yet with great severity, might this not improve the quality of his work? And if by our means books were to become stronger, richer, and more varied, that would be an end worth reaching.”
—Virginia Woolf (1882–1941)