A weighted average is a more accurate measurement of scores or investments that are of relative importance to each other. This is often the case with investment portfolios, grade scoring and other statistics.You can find out how to calculate weighted averages.ultiply each number by its weight. 1  You can choose to write this at the end of the chart or to do it on 1 line, in a formula. 2  For example, if you are trying to figure out the weighted average of certain grades, you might write 0.9(0.25) to indicate a 90 percent grade times 25 percent of the total grade.
Fish deservedly has a reputation as a top-notch brain food. Itâs an outstanding source of protein which is needed to form mood-boosting neurotransmitters like serotonin and dopamine. Itâs also a great source of vitamin B12, an essential vitamin for a healthy brain and nervous system.
Plus, brain foods rich in antioxidants, good fats, vitamins and minerals provide energy and aid in protecting against brain diseases. So when we focus on giving our bodies whole, nutritious foods benefiting both the gut and the brain, weâre actually benefiting our minds and bodies while keeping them both in tip-top shape. Of course, some foods are better for your brain than others. Iâve rounded up 15 brain foods you should be eating to feed both your mind and body.