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, oily fish are rich in omega-3 fatty acids, healthy fats that have been shown to reduce the risk for heart disease and high cholesterol. âSalmon, tuna, trout, and Atlantic or Pacific mackerel are great sources of omega-3 fatty acids,â says Darlene Zimmerman, RD, a dietitian at Henry Ford Hospital in Detroit.long with nuts, seeds get high marks as healthy fats to improve good cholesterol. And flaxseeds are especially popular among nutritionists because of their versatility in a heart-healthy diet.