Many people using this medication do not have serious side effects. Tell your doctor immediately if any of these unlikely but serious side effects occur: vision changes (e.g., blurred vision), eye pain, easy bruising/bleeding, mental/mood changes, swelling of ankles /feet, unusual tiredness.
Standard Deviation and Variance. Deviation just means how far from the normal. Standard Deviation. The Standard Deviation is a measure of how spread out numbers are. Its symbol is Ï (the greek letter sigma) The formula is easy: it is the square root of the Variance.
We have: The area represented by `1.45` standard deviations to the right of the mean is shaded in green in the standard normal curve above. You can see how to find the value of `0.4265` in the full z-table below. Follow the `1.4` row across and the `0.05` column down until they meet at `0.4265`.