by kasi | Jun 18, 2010 | Descriptive statistics
Simple price index is a percentage ratio that represents a comparison for a single commodity. For example, let the price of a calculator is $60 in 2005 and $80 in 2006. To compare the two prices, the price of one of the time periods is fixed as 100 and in this case it... by kasi | Jun 17, 2010 | Finance
A fund managed by an investment company which lifts up capital from financier and invests in a pool of assets. Just like a listed company the mutual funds also raise money by selling shares of the fund and purchase various investment securities such as stocks, bonds... by kasi | Jun 16, 2010 | Descriptive statistics
The line which expresses the trend of two observed values is called a regression line. For example if the sample data is given then the value of y corresponding to the given value of x can be estimated by the method of least squares. Now because the value of y is... by kasi | Jun 16, 2010 | Descriptive statistics
Rank correlation is used in a situation when the variable under consideration is not measurable e.g. intelligence, knowledge, experience, beauty etc. Such types of variables are judged by two different people or by two procedures. Therefore it is necessary to find the... by kasi | Jun 16, 2010 | Descriptive statistics
Correlation measures the degree of interdependence (association) between two variables. If two variables are so related that an increase or decrease of one is found in connection with increase or decrease of the other, then the two variables are said to be correlated....