Calculate the Sample Standard Deviation. 1  Calculate the mean or average of each data set. To do this, add up all the numbers in a data set and divide by the total number of pieces of data. For example, if you have found numbers in a data set, divide the sum by 4. This is the mean of the data set.
investor. A person who buys an asset with the expectation that its market value will increase and yield a profit when sold. A person whose investment strategy focuses on the long-term, rather than speculation about short-term market movements. Compare to Daytrader; scalper. person who buys an asset with the expectation that its market value will increase and yield a profit when sold. A person whose investment strategy focuses on the long-term, rather than speculation about short-term market movements.
In brief: Shareholder vs Investor. â¢ An investor is a person who puts in his money in ventures in anticipation of profits. â¢ A shareholder is strictly an investor who trades in shares and stocks of companies that are traded publicly. Related posts: 1  Difference Between Business Ethics and Social Responsibility.