In science, a variable is something that can be changed, measured or controlled in an experiment. Scientists look at variables to understand how they affect things. A variable is any one of the things ...

Both in the mathematical sense and in the business world, an independent variable is one that stands alone and is not affected by outside forces. When it comes to evaluating cost in business, ...

We show that the $L_1$ norm of the difference between the standard normal distribution and the distribution of the standardized sum of $n$ independent random ...

Business forecasting is essential for the survival for companies of all sizes. The building block used by forecasters is historical data or the past performance of the business to predict future ...

This is a preview. Log in through your library . Abstract This paper considers the estimation of a simultaneous equations model in which the dependent variables are qualitative. The model is a ...