by Soumyadip Pal | Apr 3, 2017

Previously, we have seen situations where an outcome (the dependent variable) is based on a single input variable (independent variable). Sadly, real life is rarely as simple. Most outcomes in real situations are affected by multiple input variables. To...
by Soumyadip Pal | Apr 1, 2017

We have talked about regression models in the context of linear regression models in the previous post. A nonlinear regression model is one that describes a nonlinear relationship between the dependent and the independent variables. Naturally, the equation of the...
by Soumyadip Pal | Mar 16, 2017

What is regression? In the dictionary, the word regression basically means ‘to go back’. In terms of statistics too, the meaning is not too different – it means ‘to go back to the past data to explain the process that generates the data’....
by Soumyadip Pal | Mar 15, 2017

1. Which is the most suitable measure of central tendency for a large data set with no outliers? Mean Median Mode Variance 2. To get a good idea about the nature of the data, which of the following should be stated together? Mode and...
by Soumyadip Pal | Mar 15, 2017

Calculating Range in Excel Excel does not offer a function to compute range. However, we can easily compute it by subtracting the minimum value from the maximum value. The formula would be =MAX()-MIN() where the dataset would be the referenced in both the parentheses....