Better measures of the distribution of scores are the variance and standard deviation. The variance (2) is the sum of the squares of the deviations of the individual test scores (xi) from the mean () divided by the number of scores (n). The standard deviation () is the square root of the variance.
Reducing triglyceride levels is one of the main mechanisms by which fish oil omega-3 fatty acids improve cardiovascular health. With regards to cholesterol, fish oil omega-3 fatty acids can increase the level of âgoodâ cholesterol while lowering âbadâ cholesterol. However, this relationship is not straightforward. In fact, fish oil can raise LDL cholesterol in people with high blood triglyceride levels.
Fatty fish, such as salmon, lake trout, herring, sardines and tuna, contain the most omega-3 fatty acids and therefore the most benefit, but many types of seafood contain small amounts of omega-3 fatty acids.ish contain unsaturated fatty acids, which, when substituted for saturated fatty acids such as those in meat, may lower your cholesterol. But the main beneficial nutrient appears to be omega-3 fatty acids in fatty fish.