What is sampling?

We all know ‘Sample’ means a small part or quantity intended to show what the whole is like. Similarly, the ‘Random Sampling’ is a way of selecting a portion chosen from the population in order to make inferences about the whole population. For example, pre-polls or exit polls results obtained from random voters aims to…

What is regression analysis?

Regression analysis is a form of inferential statistics. It is a measure of the relation between the mean* value of one variable (e.g. output) and corresponding values of other variables (e.g. time and cost). Regression model can help predict sales for a company based on weather, previous sales, GDP growth or other types of conditions.…

What is the correlation coefficient r?

In statistics, the correlation coefficient r measures the strength and direction of a linear relationship between two variables on a scatterplot. The value of r is always between +1 and –1. The closer the value of r is to +1, the stronger the linear relationship. For example, suppose the value of Diesel prices are directly…

What are the disclosures Requirements of Banks?

The Pillar 3 of the Basel frame work aims to promote market discipline through regulatory disclosure requirements. BCBS has set out following five guiding principles for banks’ Pillar 3 disclosures. Principle 1: Disclosures should be clear: The disclosure shall be in a simple language understandable to all the stake holders along with presentation of risk…

What is modified duration?

Modified duration is a concept that interest rates and bond prices move in opposite directions. It tells you how sensitive a bond is to interest rate changes. It is expressed in a formula that expresses the measurable change in the value of a security in response to a change in interest rates. Key points about…

What is Duration or Macaulay duration?

‘Duration’ or Macaulay duration  measures the price volatility of fixed income securities. As the term suggests, duration is expressed as a number of years and measures a bond’s sensitivity to change in interest rates. Usually, the higher the duration, the more is the volatility in the prices. To be precise, it measures the change in market…