The EWMA chart uses the exponentially weighted moving average of all previous sample means. EWMA weights samples in a geometrically decreasing order so the most recent samples are more heavily ...

Let’s calculate the weighted moving average. Again, we are taking the same sample data. To calculate the WMA, you should have the weights assigned to the particular values. The formula to ...

Some indexes aim to sample the market at large ... while the Dow Jones Industrial Average is weighted simply by share price. In price-weighted indexes, stocks with higher share prices have ...