News

Learn the difference between distance, displacement, speed and velocity, and how to calculate distance, speed and acceleration.
Acceleration is defined as the rate of change of velocity. So, for a plot of velocity vs time (just the velocity in one direction) the slope of the line will be the acceleration. From this graph ...
How to Make a Graph on Excel With a Cumulative Average. A cumulative average recalculates a data set's average as new data is added. During the recalculation all data contained in the data set is ...
Weighted average is a powerful tool for an investor. It can be used to evaluate the performance of a portfolio. It can help us better understand how.